#155166 Color
#155166 is rgb(21, 81, 102) in RGB, hsl(196, 66%, 24%) in HSL, and about cmyk(79%, 21%, 0%, 60%) in CMYK. It has no registered color name of its own — the closest is Midnight Green(eagle Green) (#004953), clearly related but distinguishable side by side at ΔE 8.27. White text is the more readable choice on this background.
#155166rgb(21, 81, 102)hsl(196, 66%, 24%)hsv(196, 79%, 40%)cmyk(79%, 21%, 0%, 60%)oklch(40.8% 0.069 226.1)lab(31.51% -13.53 -18.03)lch(31.51% 22.54 233.11)What #155166 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 #155166, 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.
#155166 Channel Values
How #155166 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 102 | 8-bit channels as sent to the display |
| HSL | H 196° · S 66% · L 24% | Easiest model for building lighter and darker variants |
| HSV | H 196° · S 79% · V 40% | Matches the picker in most design tools |
| CMYK | C 79% · M 21% · Y 0% · K 60% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.75:1 vs white · 2.4:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #155166 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 #155166 in the contrast checker.
Colors That Go With #155166
Pairings derived from color-wheel relationships. The complementary color sits opposite #155166; 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 #155166
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 #155166.
How #155166 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.
#155166#4B4B66#3C4D66#444467#364966#035454#0C535C#4B4B4BUsing #155166 in Code
Copy-ready declarations for the places this color usually ends up.
--color-155166: #155166;background-color: #155166;colors: { 'color-155166': '#155166' }Color(red: 0.082, green: 0.318, blue: 0.400)<color name="color_155166">#155166</color>fill="#155166"More Teal Colors
#155166 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#155166 Frequently Asked Questions
What color is #155166?
#155166 is a dark teal — rgb(21, 81, 102) in RGB and hsl(196, 66%, 24%) in HSL. It carries no registered color name of its own; the closest named color is Midnight Green(eagle Green) (#004953), which is clearly related but distinguishable side by side at a CIE76 distance of 8.27.
What is the RGB value of #155166?
#155166 is rgb(21, 81, 102) — red 21, green 81, and blue 102 on the 0-255 scale.
What is the CMYK value of #155166?
#155166 converts to approximately cmyk(79%, 21%, 0%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #155166 be black or white?
White text is the more readable choice. #155166 scores 8.75:1 against white and 2.4:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #155166 as a CSS color keyword?
No. #155166 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 14.16, which is visibly different.
Open #155166 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.