#155151 Color
#155151 is rgb(21, 81, 81) in RGB, hsl(180, 59%, 20%) in HSL, and about cmyk(74%, 0%, 0%, 68%) in CMYK. It has no registered color name of its own — the closest is Deep Jungle Green (#004B49), very hard to tell apart at ΔE 3.6. White text is the more readable choice on this background.
#155151rgb(21, 81, 81)hsl(180, 59%, 20%)hsv(180, 74%, 32%)cmyk(74%, 0%, 0%, 68%)oklch(39.8% 0.059 195)lab(30.79% -19.40 -5.86)lch(30.79% 20.27 196.82)What #155151 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 #155151, 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.
#155151 Channel Values
How #155151 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 81 · B 81 | 8-bit channels as sent to the display |
| HSL | H 180° · S 59% · L 20% | Easiest model for building lighter and darker variants |
| HSV | H 180° · S 74% · V 32% | Matches the picker in most design tools |
| CMYK | C 74% · M 0% · Y 0% · K 68% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.02:1 vs white · 2.33:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #155151 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 #155151 in the contrast checker.
Colors That Go With #155151
Pairings derived from color-wheel relationships. The complementary color sits opposite #155151; 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 #155151
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 #155151.
How #155151 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.
#155151#4B4B51#3C4D51#444452#364952#155151#155151#494949Using #155151 in Code
Copy-ready declarations for the places this color usually ends up.
--color-155151: #155151;background-color: #155151;colors: { 'color-155151': '#155151' }Color(red: 0.082, green: 0.318, blue: 0.318)<color name="color_155151">#155151</color>fill="#155151"More Teal Colors
#155151 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#155151 Frequently Asked Questions
What color is #155151?
#155151 is a dark teal — rgb(21, 81, 81) in RGB and hsl(180, 59%, 20%) in HSL. It carries no registered color name of its own; the closest named color is Deep Jungle Green (#004B49), which is very hard to tell apart at a CIE76 distance of 3.6.
What is the RGB value of #155151?
#155151 is rgb(21, 81, 81) — red 21, green 81, and blue 81 on the 0-255 scale.
What is the CMYK value of #155151?
#155151 converts to approximately cmyk(74%, 0%, 0%, 68%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #155151 be black or white?
White text is the more readable choice. #155151 scores 9.02:1 against white and 2.33:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #155151 as a CSS color keyword?
No. #155151 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 darkslategray (#2F4F4F) at a CIE76 distance of 7.4, which is clearly related but distinguishable side by side.
Open #155151 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.