#158E8A Color
#158E8A is rgb(21, 142, 138) in RGB, hsl(178, 74%, 32%) in HSL, and about cmyk(85%, 0%, 3%, 44%) in CMYK. It has no registered color name of its own — the closest is Dark Cyan (#008B8B), very hard to tell apart at ΔE 2.56. Black text is the more readable choice on this background.
#158E8Argb(21, 142, 138)hsl(178, 74%, 32%)hsv(178, 85%, 56%)cmyk(85%, 0%, 3%, 44%)oklch(58.6% 0.097 191.2)lab(53.06% -32.51 -7.25)lch(53.06% 33.30 192.57)What #158E8A 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 #158E8A, 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.
#158E8A Channel Values
How #158E8A 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 142 · B 138 | 8-bit channels as sent to the display |
| HSL | H 178° · S 74% · L 32% | Easiest model for building lighter and darker variants |
| HSV | H 178° · S 85% · V 56% | Matches the picker in most design tools |
| CMYK | C 85% · M 0% · Y 3% · K 44% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 3.99:1 vs white · 5.27:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #158E8A 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 #158E8A in the contrast checker.
Colors That Go With #158E8A
Pairings derived from color-wheel relationships. The complementary color sits opposite #158E8A; 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 #158E8A
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 #158E8A.
How #158E8A 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.
#158E8A#83838A#68878A#77778C#5E818B#198E8E#178E8C#7F7F7FUsing #158E8A in Code
Copy-ready declarations for the places this color usually ends up.
--color-158e8a: #158E8A;background-color: #158E8A;colors: { 'color-158e8a': '#158E8A' }Color(red: 0.082, green: 0.557, blue: 0.541)<color name="color_158e8a">#158E8A</color>fill="#158E8A"More Teal Colors
#158E8A sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#158E8A Frequently Asked Questions
What color is #158E8A?
#158E8A is a dark teal — rgb(21, 142, 138) in RGB and hsl(178, 74%, 32%) in HSL. It carries no registered color name of its own; the closest named color is Dark Cyan (#008B8B), which is very hard to tell apart at a CIE76 distance of 2.56.
What is the RGB value of #158E8A?
#158E8A is rgb(21, 142, 138) — red 21, green 142, and blue 138 on the 0-255 scale.
What is the CMYK value of #158E8A?
#158E8A converts to approximately cmyk(85%, 0%, 3%, 44%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #158E8A be black or white?
Black text is the more readable choice. #158E8A scores 3.99:1 against white and 5.27:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #158E8A as a CSS color keyword?
No. #158E8A 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 darkcyan (#008B8B) at a CIE76 distance of 2.56, which is very hard to tell apart.
Open #158E8A in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.