#156366 Color
#156366 is rgb(21, 99, 102) in RGB, hsl(182, 66%, 24%) in HSL, and about cmyk(79%, 3%, 0%, 60%) in CMYK. It has no registered color name of its own — the closest is Peacock (#005F5F), very hard to tell apart at ΔE 3.15. White text is the more readable choice on this background.
#156366rgb(21, 99, 102)hsl(182, 66%, 24%)hsv(182, 79%, 40%)cmyk(79%, 3%, 0%, 60%)oklch(45.7% 0.071 198.9)lab(37.69% -22.53 -8.69)lch(37.69% 24.14 201.10)What #156366 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 #156366, 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.
#156366 Channel Values
How #156366 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 99 · B 102 | 8-bit channels as sent to the display |
| HSL | H 182° · S 66% · L 24% | Easiest model for building lighter and darker variants |
| HSV | H 182° · S 79% · V 40% | Matches the picker in most design tools |
| CMYK | C 79% · M 3% · Y 0% · K 60% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.98:1 vs white · 3.01:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #156366 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 #156366 in the contrast checker.
Colors That Go With #156366
Pairings derived from color-wheel relationships. The complementary color sits opposite #156366; 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 #156366
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 #156366.
How #156366 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.
#156366#5B5B66#495E66#535367#425A67#136363#146364#595959Using #156366 in Code
Copy-ready declarations for the places this color usually ends up.
--color-156366: #156366;background-color: #156366;colors: { 'color-156366': '#156366' }Color(red: 0.082, green: 0.388, blue: 0.400)<color name="color_156366">#156366</color>fill="#156366"More Teal Colors
#156366 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#156366 Frequently Asked Questions
What color is #156366?
#156366 is a dark teal — rgb(21, 99, 102) in RGB and hsl(182, 66%, 24%) 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 3.15.
What is the RGB value of #156366?
#156366 is rgb(21, 99, 102) — red 21, green 99, and blue 102 on the 0-255 scale.
What is the CMYK value of #156366?
#156366 converts to approximately cmyk(79%, 3%, 0%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #156366 be black or white?
White text is the more readable choice. #156366 scores 6.98:1 against white and 3.01:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #156366 as a CSS color keyword?
No. #156366 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 teal (#008080) at a CIE76 distance of 12.96, which is visibly different.
Open #156366 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.