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#337A48 Color

#337A48 is rgb(51, 122, 72) in RGB, hsl(138, 41%, 34%) in HSL, and about cmyk(58%, 0%, 41%, 52%) in CMYK. It has no registered color name of its own — the closest is Dark Spring Green (#177245), clearly related but distinguishable side by side at ΔE 5.68. White text is the more readable choice on this background.

#337A48
HEX#337A48
RGBrgb(51, 122, 72)
HSLhsl(138, 41%, 34%)
HSVhsv(138, 58%, 48%)
CMYKcmyk(58%, 0%, 41%, 52%)
OKLCHoklch(52.1% 0.106 150.8)
LABlab(45.75% -32.28 20.44)
LCHlch(45.75% 38.21 147.66)

What #337A48 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 #337A48, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Dark Spring Green#177245ΔE 5.68Salem#177B4DΔE 6.14Medium Green#037949ΔE 7.44Middle Green#4D8C57ΔE 7.64Dartmouth Green#00703CΔE 7.74Sea Foam Green#2E8B57ΔE 8.05

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

#337A48 Channel Values

How #337A48 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 51 · G 122 · B 728-bit channels as sent to the display
HSLH 138° · S 41% · L 34%Easiest model for building lighter and darker variants
HSVH 138° · S 58% · V 48%Matches the picker in most design tools
CMYKC 58% · M 0% · Y 41% · K 52%Approximate ink mix; confirm with an ICC profile before printing
Luminance5.23:1 vs white · 4.02:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #337A48 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 text5.23:1AA normal AA large AAA normal
Fails AABlack text4.02:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #337A48 in the contrast checker.

Colors That Go With #337A48

Pairings derived from color-wheel relationships. The complementary color sits opposite #337A48; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#337A48
Complementary
#7A3365
Analogous
#417A33
Analogous
#337A6C
Triadic
#48337A
Triadic
#7A4833
Split comp.
#6C337A
Split comp.
#7A3341

Tints & Shades of #337A48

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

#419B5C
#52B771
#73C48B
#97D3A9
#B7E1C4
#D7EEDE

Shades

#2D6C40
#265A35
#204C2D
#1A3D24
#142F1C
#0C1D11

Want a full 50-950 ramp with semantic roles? Generate design tokens from #337A48.

How #337A48 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#337A48
Protanopia#727248
Protanomaly#5F7548
Deuteranopia#69694A
Deuteranomaly#587049
Tritanopia#3F7575
Tritanomaly#3B7766
Achromatopsia#6C6C6C

Test a full palette in the color blindness simulator.

Using #337A48 in Code

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

CSS custom property--color-337a48: #337A48;
CSS backgroundbackground-color: #337A48;
Tailwind configcolors: { 'color-337a48': '#337A48' }
SwiftUIColor(red: 0.200, green: 0.478, blue: 0.282)
Android XML<color name="color_337a48">#337A48</color>
SVG fillfill="#337A48"

More Green Colors

#337A48 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#337A48 Frequently Asked Questions

What color is #337A48?

#337A48 is a dark green — rgb(51, 122, 72) in RGB and hsl(138, 41%, 34%) in HSL. It carries no registered color name of its own; the closest named color is Dark Spring Green (#177245), which is clearly related but distinguishable side by side at a CIE76 distance of 5.68.

What is the RGB value of #337A48?

#337A48 is rgb(51, 122, 72) — red 51, green 122, and blue 72 on the 0-255 scale.

What is the CMYK value of #337A48?

#337A48 converts to approximately cmyk(58%, 0%, 41%, 52%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #337A48 be black or white?

White text is the more readable choice. #337A48 scores 5.23:1 against white and 4.02:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #337A48 as a CSS color keyword?

No. #337A48 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 seagreen (#2E8B57) at a CIE76 distance of 8.05, which is clearly related but distinguishable side by side.

Open #337A48 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.