#15E0BB Color
#15E0BB is rgb(21, 224, 187) in RGB, hsl(169, 83%, 48%) in HSL, and about cmyk(91%, 0%, 17%, 12%) in CMYK. It has no registered color name of its own — the closest is Eucalyptus (#44D7A8), clearly related but distinguishable side by side at ΔE 8.29. Black text is the more readable choice on this background.
#15E0BBrgb(21, 224, 187)hsl(169, 83%, 48%)hsv(169, 91%, 88%)cmyk(91%, 0%, 17%, 12%)oklch(81% 0.151 174.8)lab(79.96% -53.12 4.84)lch(79.96% 53.34 174.79)What #15E0BB 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 #15E0BB, 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.
#15E0BB Channel Values
How #15E0BB 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 224 · B 187 | 8-bit channels as sent to the display |
| HSL | H 169° · S 83% · L 48% | Easiest model for building lighter and darker variants |
| HSV | H 169° · S 91% · V 88% | Matches the picker in most design tools |
| CMYK | C 91% · M 0% · Y 17% · K 12% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.69:1 vs white · 12.41:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #15E0BB 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 #15E0BB in the contrast checker.
Colors That Go With #15E0BB
Pairings derived from color-wheel relationships. The complementary color sits opposite #15E0BB; 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 #15E0BB
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 #15E0BB.
How #15E0BB 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.
#15E0BB#CECEBC#A5D6BB#BCBCBE#96CBBD#38DCDC#2DDDCF#C7C7C7Using #15E0BB in Code
Copy-ready declarations for the places this color usually ends up.
--color-15e0bb: #15E0BB;background-color: #15E0BB;colors: { 'color-15e0bb': '#15E0BB' }Color(red: 0.082, green: 0.878, blue: 0.733)<color name="color_15e0bb">#15E0BB</color>fill="#15E0BB"More Green Colors
#15E0BB sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#15E0BB Frequently Asked Questions
What color is #15E0BB?
#15E0BB is a mid-tone green — rgb(21, 224, 187) in RGB and hsl(169, 83%, 48%) in HSL. It carries no registered color name of its own; the closest named color is Eucalyptus (#44D7A8), which is clearly related but distinguishable side by side at a CIE76 distance of 8.29.
What is the RGB value of #15E0BB?
#15E0BB is rgb(21, 224, 187) — red 21, green 224, and blue 187 on the 0-255 scale.
What is the CMYK value of #15E0BB?
#15E0BB converts to approximately cmyk(91%, 0%, 17%, 12%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #15E0BB be black or white?
Black text is the more readable choice. #15E0BB scores 1.69:1 against white and 12.41:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #15E0BB as a CSS color keyword?
No. #15E0BB 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 turquoise (#40E0D0) at a CIE76 distance of 12.47, which is visibly different.
Open #15E0BB in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.