#156F21 Color
#156F21 is rgb(21, 111, 33) in RGB, hsl(128, 68%, 26%) in HSL, and about cmyk(81%, 0%, 70%, 56%) in CMYK. It has no registered color name of its own — the closest is La Salle Green (#087830), clearly related but distinguishable side by side at ΔE 5.58. White text is the more readable choice on this background.
#156F21rgb(21, 111, 33)hsl(128, 68%, 26%)hsv(128, 81%, 44%)cmyk(81%, 0%, 70%, 56%)oklch(47.4% 0.139 144.6)lab(40.66% -39.02 34.20)lch(40.66% 51.89 138.76)What #156F21 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 #156F21, 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.
#156F21 Channel Values
How #156F21 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 111 · B 33 | 8-bit channels as sent to the display |
| HSL | H 128° · S 68% · L 26% | Easiest model for building lighter and darker variants |
| HSV | H 128° · S 81% · V 44% | Matches the picker in most design tools |
| CMYK | C 81% · M 0% · Y 70% · K 56% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.31:1 vs white · 3.33:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #156F21 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 #156F21 in the contrast checker.
Colors That Go With #156F21
Pairings derived from color-wheel relationships. The complementary color sits opposite #156F21; 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 #156F21
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 #156F21.
How #156F21 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.
#156F21#666622#516A22#5D5D26#4A6524#2D6969#256B55#606060Using #156F21 in Code
Copy-ready declarations for the places this color usually ends up.
--color-156f21: #156F21;background-color: #156F21;colors: { 'color-156f21': '#156F21' }Color(red: 0.082, green: 0.435, blue: 0.129)<color name="color_156f21">#156F21</color>fill="#156F21"More Green Colors
#156F21 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#156F21 Frequently Asked Questions
What color is #156F21?
#156F21 is a dark green — rgb(21, 111, 33) in RGB and hsl(128, 68%, 26%) in HSL. It carries no registered color name of its own; the closest named color is La Salle Green (#087830), which is clearly related but distinguishable side by side at a CIE76 distance of 5.58.
What is the RGB value of #156F21?
#156F21 is rgb(21, 111, 33) — red 21, green 111, and blue 33 on the 0-255 scale.
What is the CMYK value of #156F21?
#156F21 converts to approximately cmyk(81%, 0%, 70%, 56%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #156F21 be black or white?
White text is the more readable choice. #156F21 scores 6.31:1 against white and 3.33:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #156F21 as a CSS color keyword?
No. #156F21 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 7.95, which is clearly related but distinguishable side by side.
Open #156F21 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.