#156A18 Color
#156A18 is rgb(21, 106, 24) in RGB, hsl(122, 67%, 25%) in HSL, and about cmyk(80%, 0%, 77%, 58%) in CMYK. It has no registered color name of its own — the closest is Royal Green (#136207), very hard to tell apart at ΔE 4.19. White text is the more readable choice on this background.
#156A18rgb(21, 106, 24)hsl(122, 67%, 25%)hsv(122, 80%, 42%)cmyk(80%, 0%, 77%, 58%)oklch(45.9% 0.14 143.3)lab(38.82% -38.07 36.04)lch(38.82% 52.42 136.56)What #156A18 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 #156A18, 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.
#156A18 Channel Values
How #156A18 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 106 · B 24 | 8-bit channels as sent to the display |
| HSL | H 122° · S 67% · L 25% | Easiest model for building lighter and darker variants |
| HSV | H 122° · S 80% · V 42% | Matches the picker in most design tools |
| CMYK | C 80% · M 0% · Y 77% · K 58% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.76:1 vs white · 3.11:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #156A18 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 #156A18 in the contrast checker.
Colors That Go With #156A18
Pairings derived from color-wheel relationships. The complementary color sits opposite #156A18; 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 #156A18
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 #156A18.
How #156A18 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.
#156A18#616119#4E6519#59591E#47601C#2C6464#246650#5B5B5BUsing #156A18 in Code
Copy-ready declarations for the places this color usually ends up.
--color-156a18: #156A18;background-color: #156A18;colors: { 'color-156a18': '#156A18' }Color(red: 0.082, green: 0.416, blue: 0.094)<color name="color_156a18">#156A18</color>fill="#156A18"More Green Colors
#156A18 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#156A18 Frequently Asked Questions
What color is #156A18?
#156A18 is a dark green — rgb(21, 106, 24) in RGB and hsl(122, 67%, 25%) in HSL. It carries no registered color name of its own; the closest named color is Royal Green (#136207), which is very hard to tell apart at a CIE76 distance of 4.19.
What is the RGB value of #156A18?
#156A18 is rgb(21, 106, 24) — red 21, green 106, and blue 24 on the 0-255 scale.
What is the CMYK value of #156A18?
#156A18 converts to approximately cmyk(80%, 0%, 77%, 58%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #156A18 be black or white?
White text is the more readable choice. #156A18 scores 6.76:1 against white and 3.11:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #156A18 as a CSS color keyword?
No. #156A18 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 5.67, which is clearly related but distinguishable side by side.
Open #156A18 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.