#57EFFB#57EFFB

#57EFFB is a very light, vivid teal. Relative luminance 0.707; OKLCH L 87.7% C 0.127 H 202.6°. Best body text is #000000 at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#57EFFB
RGB	rgb(87, 239, 251)
HSL	hsl(184, 95%, 66%)
HSV	hsv(184, 65%, 98%)
CMYK	cmyk(65.3%, 4.8%, 0%, 1.6%)
CIE-LAB	lab(87.35, -36.00, -17.60)
CIE-LCH	lch(87.35, 40.07, 206.06°)
OKLab	oklab(87.72% -0.1171 -0.0488)
OKLCH	oklch(87.72% 0.127 202.6)
XYZ	xyz(52.2020, 70.7184, 102.1469)
Luminance	0.7072 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57EFFB #FB6357

analogous

#57FBB5 #57EFFB #579DFB

triadic

#57EFFB #FB57EF #EFFB57

tetradic

#57EFFB #B557FB #FB6357 #9DFB57

square

#57EFFB #B557FB #FB6357 #9DFB57

split-complementary

#57EFFB #FB579D #FBB557

monochromatic

#05C4D3 #1BE9FA #57EFFB #93F5FC #CFFAFE

Accessibility & contrast

On white

1.39

#57EFFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.14

#57EFFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57EFFB

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57EFFB	#FFFFFF	#000000	##000000
##57EFFB	1.00	1.39	15.14	15.14
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.14	21.00	1.00	1.00
##000000	15.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDE5FC

Deuteranopia (green-blind)

#C5D3FC

Tritanopia (blue-blind)

#00F8F2

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #57effb;
/* rgb */ color: rgb(87, 239, 251);
/* oklch */ color: oklch(87.7% 0.127 202.6);

Tailwind

colors: {
  custom: {
    50: '#99f4fc',
    500: '#57effb',
    950: '#000000',
  },
}

SCSS

$custom: #57effb;
$custom-light: #99f4fc;
$custom-dark: #000000;

JSON

{
  "hex": "#57effb",
  "rgb": {
    "r": 87,
    "g": 239,
    "b": 251
  },
  "hsl": {
    "h": 184.39,
    "s": 95.349,
    "l": 66.275
  },
  "oklch": {
    "l": 0.8772,
    "c": 0.12689,
    "h": 202.6
  },
  "luminance": 0.70724
}

Semantic roles & 50–950 ramp

primary

#57EFFB

secondary

#CD3529

accent

#1100E6

background

#FCFFFF

surface

#F6FEFF

border

#D0D6D7

text

#0F1717

muted

#808585

Preview Lab

Preview with #57EFFB

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

Preview Lab → · Contrast checker → · Palette generator →