#15B2B2 Color
#15B2B2 is rgb(21, 178, 178) in RGB, hsl(180, 79%, 39%) in HSL, and about cmyk(88%, 0%, 0%, 30%) in CMYK. It has no registered color name of its own — the closest is Tiffany Blue (#0ABAB5), very hard to tell apart at ΔE 4.39. Black text is the more readable choice on this background.
#15B2B2rgb(21, 178, 178)hsl(180, 79%, 39%)hsv(180, 88%, 70%)cmyk(88%, 0%, 0%, 30%)oklch(69.3% 0.115 194.8)lab(65.58% -37.80 -11.21)lch(65.58% 39.43 196.52)What #15B2B2 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 #15B2B2, 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 teal in the library.
#15B2B2 Channel Values
How #15B2B2 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 178 · B 178 | 8-bit channels as sent to the display |
| HSL | H 180° · S 79% · L 39% | Easiest model for building lighter and darker variants |
| HSV | H 180° · S 88% · V 70% | Matches the picker in most design tools |
| CMYK | C 88% · M 0% · Y 0% · K 30% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 2.61:1 vs white · 8.04:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #15B2B2 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 #15B2B2 in the contrast checker.
Colors That Go With #15B2B2
Pairings derived from color-wheel relationships. The complementary color sits opposite #15B2B2; 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 #15B2B2
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 #15B2B2.
How #15B2B2 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.
#15B2B2#A4A4B2#83AAB2#9595B4#77A1B3#15B2B2#15B2B2#A0A0A0Using #15B2B2 in Code
Copy-ready declarations for the places this color usually ends up.
--color-15b2b2: #15B2B2;background-color: #15B2B2;colors: { 'color-15b2b2': '#15B2B2' }Color(red: 0.082, green: 0.698, blue: 0.698)<color name="color_15b2b2">#15B2B2</color>fill="#15B2B2"More Teal Colors
#15B2B2 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#15B2B2 Frequently Asked Questions
What color is #15B2B2?
#15B2B2 is a dark teal — rgb(21, 178, 178) in RGB and hsl(180, 79%, 39%) in HSL. It carries no registered color name of its own; the closest named color is Tiffany Blue (#0ABAB5), which is very hard to tell apart at a CIE76 distance of 4.39.
What is the RGB value of #15B2B2?
#15B2B2 is rgb(21, 178, 178) — red 21, green 178, and blue 178 on the 0-255 scale.
What is the CMYK value of #15B2B2?
#15B2B2 converts to approximately cmyk(88%, 0%, 0%, 30%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #15B2B2 be black or white?
Black text is the more readable choice. #15B2B2 scores 2.61:1 against white and 8.04:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #15B2B2 as a CSS color keyword?
No. #15B2B2 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 4.42, which is very hard to tell apart.
Open #15B2B2 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.