#155E61 Color
#155E61 is rgb(21, 94, 97) in RGB, hsl(182, 64%, 23%) in HSL, and about cmyk(78%, 3%, 0%, 62%) in CMYK. It has no registered color name of its own — the closest is Peacock (#005F5F), very hard to tell apart at ΔE 3.32. White text is the more readable choice on this background.
#155E61rgb(21, 94, 97)hsl(182, 64%, 23%)hsv(182, 78%, 38%)cmyk(78%, 3%, 0%, 62%)oklch(44.1% 0.068 199.1)lab(35.82% -21.48 -8.40)lch(35.82% 23.06 201.37)What #155E61 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 #155E61, 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.
#155E61 Channel Values
How #155E61 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 94 · B 97 | 8-bit channels as sent to the display |
| HSL | H 182° · S 64% · L 23% | Easiest model for building lighter and darker variants |
| HSV | H 182° · S 78% · V 38% | Matches the picker in most design tools |
| CMYK | C 78% · M 3% · Y 0% · K 62% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.49:1 vs white · 2.81:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #155E61 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 #155E61 in the contrast checker.
Colors That Go With #155E61
Pairings derived from color-wheel relationships. The complementary color sits opposite #155E61; 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 #155E61
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 #155E61.
How #155E61 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.
#155E61#565661#455A61#4F4F62#3F5562#135E5E#145E5F#555555Using #155E61 in Code
Copy-ready declarations for the places this color usually ends up.
--color-155e61: #155E61;background-color: #155E61;colors: { 'color-155e61': '#155E61' }Color(red: 0.082, green: 0.369, blue: 0.380)<color name="color_155e61">#155E61</color>fill="#155E61"More Teal Colors
#155E61 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#155E61 Frequently Asked Questions
What color is #155E61?
#155E61 is a dark teal — rgb(21, 94, 97) in RGB and hsl(182, 64%, 23%) in HSL. It carries no registered color name of its own; the closest named color is Peacock (#005F5F), which is very hard to tell apart at a CIE76 distance of 3.32.
What is the RGB value of #155E61?
#155E61 is rgb(21, 94, 97) — red 21, green 94, and blue 97 on the 0-255 scale.
What is the CMYK value of #155E61?
#155E61 converts to approximately cmyk(78%, 3%, 0%, 62%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #155E61 be black or white?
White text is the more readable choice. #155E61 scores 7.49:1 against white and 2.81:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #155E61 as a CSS color keyword?
No. #155E61 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 11.26, which is visibly different.
Open #155E61 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.