#66D6FF Color
#66D6FF is rgb(102, 214, 255) in RGB, hsl(196, 100%, 70%) in HSL, and about cmyk(60%, 16%, 0%, 0%) in CMYK. It has no registered color name of its own — the closest is Blizzard Blue (#50BFE6), clearly related but distinguishable side by side at ΔE 8.19. Black text is the more readable choice on this background.
#66D6FFrgb(102, 214, 255)hsl(196, 100%, 70%)hsv(196, 60%, 100%)cmyk(60%, 16%, 0%, 0%)oklch(82.6% 0.117 225)lab(80.31% -24.43 -30.35)lch(80.31% 38.96 231.16)What #66D6FF 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 #66D6FF, 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.
#66D6FF Channel Values
How #66D6FF 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 102 · G 214 · B 255 | 8-bit channels as sent to the display |
| HSL | H 196° · S 100% · L 70% | Easiest model for building lighter and darker variants |
| HSV | H 196° · S 60% · V 100% | Matches the picker in most design tools |
| CMYK | C 60% · M 16% · Y 0% · K 0% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.66:1 vs white · 12.63:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #66D6FF 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 #66D6FF in the contrast checker.
Colors That Go With #66D6FF
Pairings derived from color-wheel relationships. The complementary color sits opposite #66D6FF; 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 #66D6FF
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 #66D6FF.
How #66D6FF 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.
#66D6FF#C8C8FF#AACEFF#BBBBFF#A0C6FF#55DCDC#5CD9EB#C9C9C9Using #66D6FF in Code
Copy-ready declarations for the places this color usually ends up.
--color-66d6ff: #66D6FF;background-color: #66D6FF;colors: { 'color-66d6ff': '#66D6FF' }Color(red: 0.400, green: 0.839, blue: 1.000)<color name="color_66d6ff">#66D6FF</color>fill="#66D6FF"More Teal Colors
#66D6FF sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#66D6FF Frequently Asked Questions
What color is #66D6FF?
#66D6FF is a light teal — rgb(102, 214, 255) in RGB and hsl(196, 100%, 70%) in HSL. It carries no registered color name of its own; the closest named color is Blizzard Blue (#50BFE6), which is clearly related but distinguishable side by side at a CIE76 distance of 8.19.
What is the RGB value of #66D6FF?
#66D6FF is rgb(102, 214, 255) — red 102, green 214, and blue 255 on the 0-255 scale.
What is the CMYK value of #66D6FF?
#66D6FF converts to approximately cmyk(60%, 16%, 0%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #66D6FF be black or white?
Black text is the more readable choice. #66D6FF scores 1.66:1 against white and 12.63:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #66D6FF as a CSS color keyword?
No. #66D6FF 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 lightskyblue (#87CEFA) at a CIE76 distance of 10.13, which is visibly different.
Open #66D6FF in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.