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#00661A Color

#00661A is rgb(0, 102, 26) in RGB, hsl(135, 100%, 20%) in HSL, and about cmyk(100%, 0%, 75%, 60%) in CMYK. It has no registered color name of its own — the closest is Royal Green (#136207), clearly related but distinguishable side by side at ΔE 5.92. White text is the more readable choice on this background.

#00661A
HEX#00661A
RGBrgb(0, 102, 26)
HSLhsl(135, 100%, 20%)
HSVhsv(135, 100%, 40%)
CMYKcmyk(100%, 0%, 75%, 60%)
OKLCHoklch(44.4% 0.138 145.4)
LABlab(37.09% -39.16 33.39)
LCHlch(37.09% 51.46 139.54)

What #00661A 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 #00661A, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Royal Green#136207ΔE 5.92Dark Green#006400ΔE 7.45La Salle Green#087830ΔE 7.76Pakistan Green#006600ΔE 8.04Lincoln Green#195905ΔE 8.55Metallic Green#296E01ΔE 11.99

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

#00661A Channel Values

How #00661A 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 0 · G 102 · B 268-bit channels as sent to the display
HSLH 135° · S 100% · L 20%Easiest model for building lighter and darker variants
HSVH 135° · S 100% · V 40%Matches the picker in most design tools
CMYKC 100% · M 0% · Y 75% · K 60%Approximate ink mix; confirm with an ICC profile before printing
Luminance7.2:1 vs white · 2.92:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #00661A 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 text7.2:1AA normal AA large AAA normal
Fails AABlack text2.92:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #00661A in the contrast checker.

Colors That Go With #00661A

Pairings derived from color-wheel relationships. The complementary color sits opposite #00661A; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#00661A
Complementary
#66004C
Analogous
#196600
Analogous
#00664D
Triadic
#1A0066
Triadic
#661A00
Split comp.
#4D0066
Split comp.
#660019

Tints & Shades of #00661A

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

#009E28
#00D636
#0FFF4B
#4DFF79
#85FFA3
#BDFFCD

Shades

#005C17
#004D13
#004211
#00380E
#002E0B
#001F08

Want a full 50-950 ramp with semantic roles? Generate design tokens from #00661A.

How #00661A 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#00661A
Protanopia#5D5D1B
Protanomaly#49611B
Deuteranopia#54541F
Deuteranomaly#415C1D
Tritanopia#226060
Tritanomaly#18634D
Achromatopsia#575757

Test a full palette in the color blindness simulator.

Using #00661A in Code

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

CSS custom property--color-00661a: #00661A;
CSS backgroundbackground-color: #00661A;
Tailwind configcolors: { 'color-00661a': '#00661A' }
SwiftUIColor(red: 0.000, green: 0.400, blue: 0.102)
Android XML<color name="color_00661a">#00661A</color>
SVG fillfill="#00661A"

More Green Colors

#00661A sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#00661A Frequently Asked Questions

What color is #00661A?

#00661A is a dark green — rgb(0, 102, 26) in RGB and hsl(135, 100%, 20%) in HSL. It carries no registered color name of its own; the closest named color is Royal Green (#136207), which is clearly related but distinguishable side by side at a CIE76 distance of 5.92.

What is the RGB value of #00661A?

#00661A is rgb(0, 102, 26) — red 0, green 102, and blue 26 on the 0-255 scale.

What is the CMYK value of #00661A?

#00661A converts to approximately cmyk(100%, 0%, 75%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #00661A be black or white?

White text is the more readable choice. #00661A scores 7.2:1 against white and 2.92:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #00661A as a CSS color keyword?

No. #00661A 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 darkgreen (#006400) at a CIE76 distance of 7.45, which is clearly related but distinguishable side by side.

Open #00661A 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.