#51FCFF#51FCFF

#51FCFF is a very light, vivid teal. Relative luminance 0.786; OKLCH L 90.7% C 0.136 H 196.7°. Best body text is #000000 at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#51FCFF
RGB	rgb(81, 252, 255)
HSL	hsl(181, 100%, 66%)
HSV	hsv(181, 68%, 100%)
CMYK	cmyk(68.2%, 1.2%, 0%, 0%)
CIE-LAB	lab(91.05, -41.62, -14.15)
CIE-LCH	lch(91.05, 43.96, 198.78°)
OKLab	oklab(90.72% -0.1306 -0.0393)
OKLCH	oklch(90.72% 0.136 196.7)
XYZ	xyz(56.2456, 78.5836, 106.7922)
Luminance	0.7859 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51FCFF #FF5451

analogous

#51FFAB #51FCFF #51A5FF

triadic

#51FCFF #FF51FC #FCFF51

tetradic

#51FCFF #AB51FF #FF5451 #A5FF51

square

#51FCFF #AB51FF #FF5451 #A5FF51

split-complementary

#51FCFF #FF51A5 #FFAB51

monochromatic

#00D2D6 #14FBFF #51FCFF #8EFDFF #CBFEFF

Accessibility & contrast

On white

1.26

#51FCFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.72

#51FCFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51FCFF

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51FCFF	#FFFFFF	#000000	##000000
##51FCFF	1.00	1.26	16.72	16.72
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.72	21.00	1.00	1.00
##000000	16.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBF0FF

Deuteranopia (green-blind)

#D1DDFF

Tritanopia (blue-blind)

#00FFFC

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #51fcff;
/* rgb */ color: rgb(81, 252, 255);
/* oklch */ color: oklch(90.7% 0.136 196.7);

Tailwind

colors: {
  custom: {
    50: '#99feff',
    500: '#51fcff',
    950: '#000000',
  },
}

SCSS

$custom: #51fcff;
$custom-light: #99feff;
$custom-dark: #000000;

JSON

{
  "hex": "#51fcff",
  "rgb": {
    "r": 81,
    "g": 252,
    "b": 255
  },
  "hsl": {
    "h": 181.034,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.90715,
    "c": 0.13636,
    "h": 196.7
  },
  "luminance": 0.7859
}

Semantic roles & 50–950 ramp

primary

#51FCFF

secondary

#D02825

accent

#0400E6

background

#FCFFFF

surface

#F6FFFF

border

#D0D7D7

text

#101818

muted

#808686

Preview Lab

Preview with #51FCFF

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

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