#51DEEF#51DEEF

#51DEEF is a very light, vivid teal. Relative luminance 0.602; OKLCH L 83.2% C 0.121 H 206.5°. Best body text is #000000 at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#51DEEF
RGB	rgb(81, 222, 239)
HSL	hsl(186, 83%, 63%)
HSV	hsv(186, 66%, 94%)
CMYK	cmyk(66.1%, 7.1%, 0%, 6.3%)
CIE-LAB	lab(81.96, -32.28, -19.42)
CIE-LCH	lch(81.96, 37.67, 211.04°)
OKLab	oklab(83.2% -0.1081 -0.0539)
OKLCH	oklch(83.2% 0.121 206.5)
XYZ	xyz(45.0879, 60.2188, 90.8918)
Luminance	0.6022 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DEEF #EF6251

analogous

#51EFB1 #51DEEF #518FEF

triadic

#51DEEF #EF51DE #DEEF51

tetradic

#51DEEF #B151EF #EF6251 #8FEF51

square

#51DEEF #B151EF #EF6251 #8FEF51

split-complementary

#51DEEF #EF518F #EFB151

monochromatic

#11A3B5 #19D3EA #51DEEF #89E9F4 #C1F3F9

Accessibility & contrast

On white

1.61

#51DEEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.04

#51DEEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DEEF

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DEEF	#FFFFFF	#000000	##000000
##51DEEF	1.00	1.61	13.04	13.04
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.04	21.00	1.00	1.00
##000000	13.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCD6F0

Deuteranopia (green-blind)

#B5C5EF

Tritanopia (blue-blind)

#00E7E3

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51deef;
/* rgb */ color: rgb(81, 222, 239);
/* oklch */ color: oklch(83.2% 0.121 206.5);

Tailwind

colors: {
  custom: {
    50: '#94e8f4',
    500: '#51deef',
    950: '#000000',
  },
}

SCSS

$custom: #51deef;
$custom-light: #94e8f4;
$custom-dark: #000000;

JSON

{
  "hex": "#51deef",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 239
  },
  "hsl": {
    "h": 186.456,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.83202,
    "c": 0.12077,
    "h": 206.5
  },
  "luminance": 0.60224
}

Semantic roles & 50–950 ramp

primary

#51DEEF

secondary

#B53E30

accent

#1D06E0

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #51DEEF

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

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