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#637042 Color

#637042 is rgb(99, 112, 66) in RGB, hsl(77, 26%, 35%) in HSL, and about cmyk(12%, 0%, 41%, 56%) in CMYK. It has no registered color name of its own — the closest is Fatigue Green (#5B6238), clearly related but distinguishable side by side at ΔE 5.98. White text is the more readable choice on this background.

#637042
HEX#637042
RGBrgb(99, 112, 66)
HSLhsl(77, 26%, 35%)
HSVhsv(77, 41%, 44%)
CMYKcmyk(12%, 0%, 41%, 56%)
OKLCHoklch(52.2% 0.069 121.7)
LABlab(45.25% -11.23 23.84)
LCHlch(45.25% 26.36 115.22)

What #637042 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #637042, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Fatigue Green#5B6238ΔE 5.98Dark Olive Green#556B2FΔE 8.77Artichoke Green#4B6F44ΔE 10.12Mustard Green#6E6E30ΔE 11.01Dark Moss Green#4A5D23ΔE 11.08Army Green#4B5320ΔE 12.44

Browse the full index of named colors A-Z or every green in the library.

#637042 Channel Values

How #637042 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 99 · G 112 · B 668-bit channels as sent to the display
HSLH 77° · S 26% · L 35%Easiest model for building lighter and darker variants
HSVH 77° · S 41% · V 44%Matches the picker in most design tools
CMYKC 12% · M 0% · Y 41% · K 56%Approximate ink mix; confirm with an ICC profile before printing
Luminance5.35:1 vs white · 3.93:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #637042 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text5.35:1AA normal AA large AAA normal
Fails AABlack text3.93:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #637042 in the contrast checker.

Colors That Go With #637042

Pairings derived from color-wheel relationships. The complementary color sits opposite #637042; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#637042
Complementary
#4F4270
Analogous
#706642
Analogous
#4C7042
Triadic
#426370
Triadic
#704263
Split comp.
#424C70
Split comp.
#664270

Tints & Shades of #637042

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#7D8D53
#95A668
#A9B785
#BDC8A2
#D2D9BF
#E6EADC

Shades

#58643A
#4A5431
#3E472A
#303720
#252A19
#171A0F

Want a full 50-950 ramp with semantic roles? Generate design tokens from #637042.

How #637042 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#637042
Protanopia#6E6E42
Protanomaly#6A6F42
Deuteranopia#6C6C43
Deuteranomaly#686E42
Tritanopia#686B6B
Tritanomaly#666D5E
Achromatopsia#6B6B6B

Test a full palette in the color blindness simulator.

Using #637042 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-637042: #637042;
CSS backgroundbackground-color: #637042;
Tailwind configcolors: { 'color-637042': '#637042' }
SwiftUIColor(red: 0.388, green: 0.439, blue: 0.259)
Android XML<color name="color_637042">#637042</color>
SVG fillfill="#637042"

More Green Colors

#637042 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#637042 Frequently Asked Questions

What color is #637042?

#637042 is a dark green — rgb(99, 112, 66) in RGB and hsl(77, 26%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Fatigue Green (#5B6238), which is clearly related but distinguishable side by side at a CIE76 distance of 5.98.

What is the RGB value of #637042?

#637042 is rgb(99, 112, 66) — red 99, green 112, and blue 66 on the 0-255 scale.

What is the CMYK value of #637042?

#637042 converts to approximately cmyk(12%, 0%, 41%, 56%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #637042 be black or white?

White text is the more readable choice. #637042 scores 5.35:1 against white and 3.93:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #637042 as a CSS color keyword?

No. #637042 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is darkolivegreen (#556B2F) at a CIE76 distance of 8.77, which is clearly related but distinguishable side by side.

Open #637042 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every green in the color library, the guide to shades of green, or the full color library.