#668500 Color
#668500 is rgb(102, 133, 0) in RGB, hsl(74, 100%, 26%) in HSL, and about cmyk(23%, 0%, 100%, 48%) in CMYK. It has no registered color name of its own — the closest is Olive Drab (#6B8E23), clearly related but distinguishable side by side at ΔE 6.47. Black text is the more readable choice on this background.
#668500rgb(102, 133, 0)hsl(74, 100%, 26%)hsv(74, 100%, 52%)cmyk(23%, 0%, 100%, 48%)oklch(57.2% 0.143 124.4)lab(51.58% -23.41 54.48)lch(51.58% 59.30 113.25)What #668500 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 #668500, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every green in the library.
#668500 Channel Values
How #668500 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 102 · G 133 · B 0 | 8-bit channels as sent to the display |
| HSL | H 74° · S 100% · L 26% | Easiest model for building lighter and darker variants |
| HSV | H 74° · S 100% · V 52% | Matches the picker in most design tools |
| CMYK | C 23% · M 0% · Y 100% · K 48% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.27:1 vs white · 4.92:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #668500 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.
Need a specific ratio against another background? Open #668500 in the contrast checker.
Colors That Go With #668500
Pairings derived from color-wheel relationships. The complementary color sits opposite #668500; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #668500
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #668500.
How #668500 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.
#668500#808002#778201#7C7C09#748006#707D7D#6C8062#7A7A7AUsing #668500 in Code
Copy-ready declarations for the places this color usually ends up.
--color-668500: #668500;background-color: #668500;colors: { 'color-668500': '#668500' }Color(red: 0.400, green: 0.522, blue: 0.000)<color name="color_668500">#668500</color>fill="#668500"More Green Colors
#668500 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#668500 Frequently Asked Questions
What color is #668500?
#668500 is a dark green — rgb(102, 133, 0) in RGB and hsl(74, 100%, 26%) in HSL. It carries no registered color name of its own; the closest named color is Olive Drab (#6B8E23), which is clearly related but distinguishable side by side at a CIE76 distance of 6.47.
What is the RGB value of #668500?
#668500 is rgb(102, 133, 0) — red 102, green 133, and blue 0 on the 0-255 scale.
What is the CMYK value of #668500?
#668500 converts to approximately cmyk(23%, 0%, 100%, 48%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #668500 be black or white?
Black text is the more readable choice. #668500 scores 4.27:1 against white and 4.92:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #668500 as a CSS color keyword?
No. #668500 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 olivedrab (#6B8E23) at a CIE76 distance of 6.47, which is clearly related but distinguishable side by side.
Open #668500 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.