#156639 Color
#156639 is rgb(21, 102, 57) in RGB, hsl(147, 66%, 24%) in HSL, and about cmyk(79%, 0%, 44%, 60%) in CMYK. It has no registered color name of its own — the closest is Cadmium Green (#006B3C), very hard to tell apart at ΔE 3.9. White text is the more readable choice on this background.
#156639rgb(21, 102, 57)hsl(147, 66%, 24%)hsv(147, 79%, 40%)cmyk(79%, 0%, 44%, 60%)oklch(45.2% 0.105 153.6)lab(37.73% -33.16 18.39)lch(37.73% 37.92 150.98)What #156639 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 #156639, 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.
#156639 Channel Values
How #156639 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 21 · G 102 · B 57 | 8-bit channels as sent to the display |
| HSL | H 147° · S 66% · L 24% | Easiest model for building lighter and darker variants |
| HSV | H 147° · S 79% · V 40% | Matches the picker in most design tools |
| CMYK | C 79% · M 0% · Y 44% · K 60% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.02:1 vs white · 2.99:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #156639 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 #156639 in the contrast checker.
Colors That Go With #156639
Pairings derived from color-wheel relationships. The complementary color sits opposite #156639; 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 #156639
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 #156639.
How #156639 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.
#156639#5E5E39#4B6139#55553B#445C3A#266262#206354#595959Using #156639 in Code
Copy-ready declarations for the places this color usually ends up.
--color-156639: #156639;background-color: #156639;colors: { 'color-156639': '#156639' }Color(red: 0.082, green: 0.400, blue: 0.224)<color name="color_156639">#156639</color>fill="#156639"More Green Colors
#156639 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#156639 Frequently Asked Questions
What color is #156639?
#156639 is a dark green — rgb(21, 102, 57) in RGB and hsl(147, 66%, 24%) in HSL. It carries no registered color name of its own; the closest named color is Cadmium Green (#006B3C), which is very hard to tell apart at a CIE76 distance of 3.9.
What is the RGB value of #156639?
#156639 is rgb(21, 102, 57) — red 21, green 102, and blue 57 on the 0-255 scale.
What is the CMYK value of #156639?
#156639 converts to approximately cmyk(79%, 0%, 44%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #156639 be black or white?
White text is the more readable choice. #156639 scores 7.02:1 against white and 2.99:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #156639 as a CSS color keyword?
No. #156639 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 14.59, which is visibly different.
Open #156639 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.