#42B9C2 Color
#42B9C2 is rgb(66, 185, 194) in RGB, hsl(184, 51%, 51%) in HSL, and about cmyk(66%, 5%, 0%, 24%) in CMYK. It has no registered color name of its own — the closest is Maximum Blue Green (#30BFBF), clearly related but distinguishable side by side at ΔE 6.88. Black text is the more readable choice on this background.
#42B9C2rgb(66, 185, 194)hsl(184, 51%, 51%)hsv(184, 66%, 76%)cmyk(66%, 5%, 0%, 24%)oklch(72.4% 0.104 202.3)lab(68.94% -31.98 -14.88)lch(68.94% 35.28 204.96)What #42B9C2 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 #42B9C2, 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.
#42B9C2 Channel Values
How #42B9C2 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 66 · G 185 · B 194 | 8-bit channels as sent to the display |
| HSL | H 184° · S 51% · L 51% | Easiest model for building lighter and darker variants |
| HSV | H 184° · S 66% · V 76% | Matches the picker in most design tools |
| CMYK | C 66% · M 5% · Y 0% · K 24% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 2.35:1 vs white · 8.95:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #42B9C2 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 #42B9C2 in the contrast checker.
Colors That Go With #42B9C2
Pairings derived from color-wheel relationships. The complementary color sits opposite #42B9C2; 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 #42B9C2
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 #42B9C2.
How #42B9C2 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.
#42B9C2#ACACC2#8EB1C2#9E9EC4#83AAC3#3EBABA#3FBABD#A9A9A9Using #42B9C2 in Code
Copy-ready declarations for the places this color usually ends up.
--color-42b9c2: #42B9C2;background-color: #42B9C2;colors: { 'color-42b9c2': '#42B9C2' }Color(red: 0.259, green: 0.725, blue: 0.761)<color name="color_42b9c2">#42B9C2</color>fill="#42B9C2"More Teal Colors
#42B9C2 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#42B9C2 Frequently Asked Questions
What color is #42B9C2?
#42B9C2 is a mid-tone teal — rgb(66, 185, 194) in RGB and hsl(184, 51%, 51%) in HSL. It carries no registered color name of its own; the closest named color is Maximum Blue Green (#30BFBF), which is clearly related but distinguishable side by side at a CIE76 distance of 6.88.
What is the RGB value of #42B9C2?
#42B9C2 is rgb(66, 185, 194) — red 66, green 185, and blue 194 on the 0-255 scale.
What is the CMYK value of #42B9C2?
#42B9C2 converts to approximately cmyk(66%, 5%, 0%, 24%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #42B9C2 be black or white?
Black text is the more readable choice. #42B9C2 scores 2.35:1 against white and 8.95:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #42B9C2 as a CSS color keyword?
No. #42B9C2 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 lightseagreen (#20B2AA) at a CIE76 distance of 11.05, which is visibly different.
Open #42B9C2 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.