#00DDFF Color
#00DDFF is rgb(0, 221, 255) in RGB, hsl(188, 100%, 50%) in HSL, and about cmyk(100%, 13%, 0%, 0%) in CMYK. It has no registered color name of its own — the closest is Vivid Sky Blue (#00CCFF), visibly different at ΔE 11.71. Black text is the more readable choice on this background.
#00DDFFrgb(0, 221, 255)hsl(188, 100%, 50%)hsv(188, 100%, 100%)cmyk(100%, 13%, 0%, 0%)oklch(82.5% 0.145 214.1)lab(80.68% -37.25 -29.95)lch(80.68% 47.80 218.80)What #00DDFF 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 #00DDFF, 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.
#00DDFF Channel Values
How #00DDFF 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 221 · B 255 | 8-bit channels as sent to the display |
| HSL | H 188° · S 100% · L 50% | Easiest model for building lighter and darker variants |
| HSV | H 188° · S 100% · V 100% | Matches the picker in most design tools |
| CMYK | C 100% · M 13% · Y 0% · K 0% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.64:1 vs white · 12.79:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #00DDFF 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 #00DDFF in the contrast checker.
Colors That Go With #00DDFF
Pairings derived from color-wheel relationships. The complementary color sits opposite #00DDFF; 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 #00DDFF
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 #00DDFF.
How #00DDFF 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.
#00DDFF#CBCBFF#A2D3FF#B9B9FF#93C8FF#00E2E2#00E0EE#CACACAUsing #00DDFF in Code
Copy-ready declarations for the places this color usually ends up.
--color-00ddff: #00DDFF;background-color: #00DDFF;colors: { 'color-00ddff': '#00DDFF' }Color(red: 0.000, green: 0.867, blue: 1.000)<color name="color_00ddff">#00DDFF</color>fill="#00DDFF"More Teal Colors
#00DDFF sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#00DDFF Frequently Asked Questions
What color is #00DDFF?
#00DDFF is a mid-tone teal — rgb(0, 221, 255) in RGB and hsl(188, 100%, 50%) in HSL. It carries no registered color name of its own; the closest named color is Vivid Sky Blue (#00CCFF), which is visibly different at a CIE76 distance of 11.71.
What is the RGB value of #00DDFF?
#00DDFF is rgb(0, 221, 255) — red 0, green 221, and blue 255 on the 0-255 scale.
What is the CMYK value of #00DDFF?
#00DDFF converts to approximately cmyk(100%, 13%, 0%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #00DDFF be black or white?
Black text is the more readable choice. #00DDFF scores 1.64:1 against white and 12.79:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #00DDFF as a CSS color keyword?
No. #00DDFF 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 darkturquoise (#00CED1) at a CIE76 distance of 17.54, which is visibly different.
Open #00DDFF in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.