#156663 Color
#156663 is rgb(21, 102, 99) in RGB, hsl(178, 66%, 24%) in HSL, and about cmyk(79%, 0%, 3%, 60%) in CMYK. It has no registered color name of its own — the closest is Peacock (#005F5F), very hard to tell apart at ΔE 3.37. White text is the more readable choice on this background.
#156663rgb(21, 102, 99)hsl(178, 66%, 24%)hsv(178, 79%, 40%)cmyk(79%, 0%, 3%, 60%)oklch(46.4% 0.073 191.1)lab(38.64% -24.66 -5.47)lch(38.64% 25.26 192.49)What #156663 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 #156663, 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.
#156663 Channel Values
How #156663 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 102 · B 99 | 8-bit channels as sent to the display |
| HSL | H 178° · S 66% · L 24% | Easiest model for building lighter and darker variants |
| HSV | H 178° · S 79% · V 40% | Matches the picker in most design tools |
| CMYK | C 79% · M 0% · Y 3% · K 60% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.75:1 vs white · 3.11:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #156663 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 #156663 in the contrast checker.
Colors That Go With #156663
Pairings derived from color-wheel relationships. The complementary color sits opposite #156663; 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 #156663
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 #156663.
How #156663 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.
#156663#5E5E63#4B6163#555564#445C64#176666#166665#5B5B5BUsing #156663 in Code
Copy-ready declarations for the places this color usually ends up.
--color-156663: #156663;background-color: #156663;colors: { 'color-156663': '#156663' }Color(red: 0.082, green: 0.400, blue: 0.388)<color name="color_156663">#156663</color>fill="#156663"More Teal Colors
#156663 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#156663 Frequently Asked Questions
What color is #156663?
#156663 is a dark teal — rgb(21, 102, 99) in RGB and hsl(178, 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 3.37.
What is the RGB value of #156663?
#156663 is rgb(21, 102, 99) — red 21, green 102, and blue 99 on the 0-255 scale.
What is the CMYK value of #156663?
#156663 converts to approximately cmyk(79%, 0%, 3%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #156663 be black or white?
White text is the more readable choice. #156663 scores 6.75:1 against white and 3.11:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #156663 as a CSS color keyword?
No. #156663 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 11.51, which is visibly different.
Open #156663 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.