#42DDE4#42DDE4

#42DDE4 is a very light, vivid teal. Relative luminance 0.585; OKLCH L 82.2% C 0.125 H 199.5°. Best body text is #000000 at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#42DDE4
RGB	rgb(66, 221, 228)
HSL	hsl(183, 75%, 58%)
HSV	hsv(183, 71%, 89%)
CMYK	cmyk(71.1%, 3.1%, 0%, 10.6%)
CIE-LAB	lab(81.00, -36.95, -15.06)
CIE-LCH	lch(81.00, 39.90, 202.17°)
OKLab	oklab(82.22% -0.118 -0.0418)
OKLCH	oklch(82.22% 0.125 199.5)
XYZ	xyz(42.1005, 58.4676, 82.4503)
Luminance	0.5847 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DDE4 #E44942

analogous

#42E49A #42DDE4 #428CE4

triadic

#42DDE4 #E442DD #DDE442

tetradic

#42DDE4 #9A42E4 #E44942 #8CE442

square

#42DDE4 #9A42E4 #E44942 #8CE442

split-complementary

#42DDE4 #E4428C #E49A42

monochromatic

#159196 #1DC4CC #42DDE4 #78E7EC #ADF0F3

Accessibility & contrast

On white

1.65

#42DDE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.69

#42DDE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DDE4

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DDE4	#FFFFFF	#000000	##000000
##42DDE4	1.00	1.65	12.69	12.69
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.69	21.00	1.00	1.00
##000000	12.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDD3E5

Deuteranopia (green-blind)

#B6C2E5

Tritanopia (blue-blind)

#00E5DF

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #42dde4;
/* rgb */ color: rgb(66, 221, 228);
/* oklch */ color: oklch(82.2% 0.125 199.5);

Tailwind

colors: {
  custom: {
    50: '#8ee8ec',
    500: '#42dde4',
    950: '#000000',
  },
}

SCSS

$custom: #42dde4;
$custom-light: #8ee8ec;
$custom-dark: #000000;

JSON

{
  "hex": "#42dde4",
  "rgb": {
    "r": 66,
    "g": 221,
    "b": 228
  },
  "hsl": {
    "h": 182.593,
    "s": 75,
    "l": 57.647
  },
  "oklch": {
    "l": 0.82219,
    "c": 0.12519,
    "h": 199.5
  },
  "luminance": 0.58473
}

Semantic roles & 50–950 ramp

primary

#42DDE4

secondary

#9A3530

accent

#3E36F2

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #42DDE4

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

Preview Lab → · Contrast checker → · Palette generator →