#42C7CC#42C7CC

#42C7CC is a light, moderate teal. Relative luminance 0.464; OKLCH L 76.1% C 0.112 H 198.7°. Best body text is #000000 at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#42C7CC
RGB	rgb(66, 199, 204)
HSL	hsl(182, 58%, 53%)
HSV	hsv(182, 68%, 80%)
CMYK	cmyk(67.6%, 2.5%, 0%, 20%)
CIE-LAB	lab(73.78, -33.57, -13.00)
CIE-LCH	lch(73.78, 35.99, 201.17°)
OKLab	oklab(76.13% -0.1065 -0.0361)
OKLCH	oklch(76.13% 0.112 198.7)
XYZ	xyz(33.5644, 46.3609, 64.2946)
Luminance	0.4637 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C7CC #CC4742

analogous

#42CC8C #42C7CC #4282CC

triadic

#42C7CC #CC42C7 #C7CC42

tetradic

#42C7CC #8C42CC #CC4742 #82CC42

square

#42C7CC #8C42CC #CC4742 #82CC42

split-complementary

#42C7CC #CC4282 #CC8C42

monochromatic

#1F7174 #2CA0A4 #42C7CC #72D5D9 #A2E4E6

Accessibility & contrast

On white

2.04

#42C7CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.27

#42C7CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C7CC

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C7CC	#FFFFFF	#000000	##000000
##42C7CC	1.00	2.04	10.27	10.27
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.27	21.00	1.00	1.00
##000000	10.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9BECD

Deuteranopia (green-blind)

#A5AFCD

Tritanopia (blue-blind)

#00CEC8

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #42c7cc;
/* rgb */ color: rgb(66, 199, 204);
/* oklch */ color: oklch(76.1% 0.112 198.7);

Tailwind

colors: {
  custom: {
    50: '#89d8db',
    500: '#42c7cc',
    950: '#000000',
  },
}

SCSS

$custom: #42c7cc;
$custom-light: #89d8db;
$custom-dark: #000000;

JSON

{
  "hex": "#42c7cc",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 204
  },
  "hsl": {
    "h": 182.174,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.76127,
    "c": 0.11246,
    "h": 198.7
  },
  "luminance": 0.46365
}

Semantic roles & 50–950 ramp

primary

#42C7CC

secondary

#D39997

accent

#4D47E1

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C7CC

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →