#005B55 Color
#005B55 is rgb(0, 91, 85) in RGB, hsl(176, 100%, 18%) in HSL, and about cmyk(100%, 0%, 7%, 64%) in CMYK. It has no registered color name of its own — the closest is Peacock (#005F5F), very hard to tell apart at ΔE 4.15. White text is the more readable choice on this background.
#005B55rgb(0, 91, 85)hsl(176, 100%, 18%)hsv(176, 100%, 36%)cmyk(100%, 0%, 7%, 64%)oklch(42.4% 0.074 187)lab(34.09% -25.44 -3.58)lch(34.09% 25.69 188.00)What #005B55 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 #005B55, 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.
#005B55 Channel Values
How #005B55 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 0 · G 91 · B 85 | 8-bit channels as sent to the display |
| HSL | H 176° · S 100% · L 18% | Easiest model for building lighter and darker variants |
| HSV | H 176° · S 100% · V 36% | Matches the picker in most design tools |
| CMYK | C 100% · M 0% · Y 7% · K 64% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.99:1 vs white · 2.63:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #005B55 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 #005B55 in the contrast checker.
Colors That Go With #005B55
Pairings derived from color-wheel relationships. The complementary color sits opposite #005B55; 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 #005B55
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 #005B55.
How #005B55 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.
#005B55#535355#415655#4B4B56#3A5256#065A5A#035B58#515151Using #005B55 in Code
Copy-ready declarations for the places this color usually ends up.
--color-005b55: #005B55;background-color: #005B55;colors: { 'color-005b55': '#005B55' }Color(red: 0.000, green: 0.357, blue: 0.333)<color name="color_005b55">#005B55</color>fill="#005B55"More Teal Colors
#005B55 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#005B55 Frequently Asked Questions
What color is #005B55?
#005B55 is a darkest teal — rgb(0, 91, 85) in RGB and hsl(176, 100%, 18%) 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 4.15.
What is the RGB value of #005B55?
#005B55 is rgb(0, 91, 85) — red 0, green 91, and blue 85 on the 0-255 scale.
What is the CMYK value of #005B55?
#005B55 converts to approximately cmyk(100%, 0%, 7%, 64%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #005B55 be black or white?
White text is the more readable choice. #005B55 scores 7.99:1 against white and 2.63:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #005B55 as a CSS color keyword?
No. #005B55 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 13.51, which is visibly different.
Open #005B55 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.