#42E5CC#42E5CC

#42E5CC is a very light, vivid teal. Relative luminance 0.616; OKLCH L 83.4% C 0.136 H 180.1°. Best body text is #000000 at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#42E5CC
RGB	rgb(66, 229, 204)
HSL	hsl(171, 76%, 58%)
HSV	hsv(171, 71%, 90%)
CMYK	cmyk(71.2%, 0%, 10.9%, 10.2%)
CIE-LAB	lab(82.67, -47.04, 0.16)
CIE-LCH	lch(82.67, 47.04, 179.80°)
OKLab	oklab(83.36% -0.1361 -0.0003)
OKLCH	oklch(83.36% 0.136 180.1)
XYZ	xyz(41.1598, 61.5516, 66.8264)
Luminance	0.6156 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E5CC #E5425B

analogous

#42E57B #42E5CC #42ACE5

triadic

#42E5CC #CC42E5 #E5CC42

tetradic

#42E5CC #7B42E5 #E5425B #ACE542

square

#42E5CC #7B42E5 #E5425B #ACE542

split-complementary

#42E5CC #E542AC #E57B42

monochromatic

#159884 #1CCEB2 #42E5CC #78ECDB #AEF4E9

Accessibility & contrast

On white

1.58

#42E5CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.31

#42E5CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E5CC

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E5CC	#FFFFFF	#000000	##000000
##42E5CC	1.00	1.58	13.31	13.31
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.31	21.00	1.00	1.00
##000000	13.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBD7CB

Deuteranopia (green-blind)

#C5C7CE

Tritanopia (blue-blind)

#00E9DD

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #42e5cc;
/* rgb */ color: rgb(66, 229, 204);
/* oklch */ color: oklch(83.4% 0.136 180.1);

Tailwind

colors: {
  custom: {
    50: '#8deedb',
    500: '#42e5cc',
    950: '#000000',
  },
}

SCSS

$custom: #42e5cc;
$custom-light: #8deedb;
$custom-dark: #000000;

JSON

{
  "hex": "#42e5cc",
  "rgb": {
    "r": 66,
    "g": 229,
    "b": 204
  },
  "hsl": {
    "h": 170.798,
    "s": 75.814,
    "l": 57.843
  },
  "oklch": {
    "l": 0.83359,
    "c": 0.13611,
    "h": 180.1
  },
  "luminance": 0.61557
}

Semantic roles & 50–950 ramp

primary

#42E5CC

secondary

#9C3040

accent

#3552F2

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0E1615

muted

#7F8584

Preview Lab

Preview with #42E5CC

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

Preview Lab → · Contrast checker → · Palette generator →