#21A68B Color
#21A68B is rgb(33, 166, 139) in RGB, hsl(168, 67%, 39%) in HSL, and about cmyk(80%, 0%, 16%, 35%) in CMYK. It has no registered color name of its own — the closest is Zomp (#39A78E), very hard to tell apart at ΔE 3.75. Black text is the more readable choice on this background.
#21A68Brgb(33, 166, 139)hsl(168, 67%, 39%)hsv(168, 80%, 65%)cmyk(80%, 0%, 16%, 35%)oklch(65.1% 0.116 174.8)lab(60.99% -40.69 3.71)lch(60.99% 40.86 174.79)What #21A68B 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 #21A68B, 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.
#21A68B Channel Values
How #21A68B 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 33 · G 166 · B 139 | 8-bit channels as sent to the display |
| HSL | H 168° · S 67% · L 39% | Easiest model for building lighter and darker variants |
| HSV | H 168° · S 80% · V 65% | Matches the picker in most design tools |
| CMYK | C 80% · M 0% · Y 16% · K 35% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 3.05:1 vs white · 6.89:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #21A68B 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 #21A68B in the contrast checker.
Colors That Go With #21A68B
Pairings derived from color-wheel relationships. The complementary color sits opposite #21A68B; 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 #21A68B
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 #21A68B.
How #21A68B 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.
#21A68B#99998B#7B9E8B#8C8C8D#70978D#31A3A3#2BA49A#949494Using #21A68B in Code
Copy-ready declarations for the places this color usually ends up.
--color-21a68b: #21A68B;background-color: #21A68B;colors: { 'color-21a68b': '#21A68B' }Color(red: 0.129, green: 0.651, blue: 0.545)<color name="color_21a68b">#21A68B</color>fill="#21A68B"More Green Colors
#21A68B sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#21A68B Frequently Asked Questions
What color is #21A68B?
#21A68B is a dark green — rgb(33, 166, 139) in RGB and hsl(168, 67%, 39%) in HSL. It carries no registered color name of its own; the closest named color is Zomp (#39A78E), which is very hard to tell apart at a CIE76 distance of 3.75.
What is the RGB value of #21A68B?
#21A68B is rgb(33, 166, 139) — red 33, green 166, and blue 139 on the 0-255 scale.
What is the CMYK value of #21A68B?
#21A68B converts to approximately cmyk(80%, 0%, 16%, 35%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #21A68B be black or white?
Black text is the more readable choice. #21A68B scores 3.05:1 against white and 6.89:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #21A68B as a CSS color keyword?
No. #21A68B 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 lightseagreen (#20B2AA) at a CIE76 distance of 11.69, which is visibly different.
Open #21A68B in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.