#57EFFF#57EFFF

#57EFFF is a very light, vivid teal. Relative luminance 0.710; OKLCH L 87.9% C 0.128 H 205.1°. Best body text is #000000 at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#57EFFF
RGB	rgb(87, 239, 255)
HSL	hsl(186, 100%, 67%)
HSV	hsv(186, 66%, 100%)
CMYK	cmyk(65.9%, 6.3%, 0%, 0%)
CIE-LAB	lab(87.47, -34.87, -19.51)
CIE-LCH	lch(87.47, 39.96, 209.22°)
OKLab	oklab(87.86% -0.1155 -0.0541)
OKLCH	oklch(87.86% 0.128 205.1)
XYZ	xyz(52.8392, 70.9733, 105.5028)
Luminance	0.7098 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57EFFF #FF6757

analogous

#57FFBB #57EFFF #579BFF

triadic

#57EFFF #FF57EF #EFFF57

tetradic

#57EFFF #BB57FF #FF6757 #9BFF57

square

#57EFFF #BB57FF #FF6757 #9BFF57

split-complementary

#57EFFF #FF579B #FFBB57

monochromatic

#00C7DC #1AE9FF #57EFFF #94F5FF #D1FBFF

Accessibility & contrast

On white

1.38

#57EFFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.20

#57EFFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57EFFF

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57EFFF	#FFFFFF	#000000	##000000
##57EFFF	1.00	1.38	15.20	15.20
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.20	21.00	1.00	1.00
##000000	15.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCE6FF

Deuteranopia (green-blind)

#C4D3FF

Tritanopia (blue-blind)

#00F9F4

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #57efff;
/* rgb */ color: rgb(87, 239, 255);
/* oklch */ color: oklch(87.9% 0.128 205.1);

Tailwind

colors: {
  custom: {
    50: '#9af4ff',
    500: '#57efff',
    950: '#000000',
  },
}

SCSS

$custom: #57efff;
$custom-light: #9af4ff;
$custom-dark: #000000;

JSON

{
  "hex": "#57efff",
  "rgb": {
    "r": 87,
    "g": 239,
    "b": 255
  },
  "hsl": {
    "h": 185.714,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.87861,
    "c": 0.12758,
    "h": 205.1
  },
  "luminance": 0.70979
}

Semantic roles & 50–950 ramp

primary

#57EFFF

secondary

#D53626

accent

#1600E6

background

#FCFFFF

surface

#F6FEFF

border

#D0D6D7

text

#101718

muted

#808586

Preview Lab

Preview with #57EFFF

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

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