#51FDFF#51FDFF

#51FDFF is a very light, vivid teal. Relative luminance 0.792; OKLCH L 90.9% C 0.137 H 196.2°. Best body text is #000000 at 16.84:1 contrast (WCAG AA passes).

Color values

HEX	#51FDFF
RGB	rgb(81, 253, 255)
HSL	hsl(181, 100%, 66%)
HSV	hsv(181, 68%, 100%)
CMYK	cmyk(68.2%, 0.8%, 0%, 0%)
CIE-LAB	lab(91.33, -42.07, -13.72)
CIE-LCH	lch(91.33, 44.25, 198.07°)
OKLab	oklab(90.95% -0.1315 -0.0381)
OKLCH	oklch(90.95% 0.137 196.2)
XYZ	xyz(56.5605, 79.2133, 106.8971)
Luminance	0.7922 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51FDFF #FF5351

analogous

#51FFAA #51FDFF #51A6FF

triadic

#51FDFF #FF51FD #FDFF51

tetradic

#51FDFF #AA51FF #FF5351 #A6FF51

square

#51FDFF #AA51FF #FF5351 #A6FF51

split-complementary

#51FDFF #FF51A6 #FFAA51

monochromatic

#00D3D6 #14FCFF #51FDFF #8EFEFF #CBFEFF

Accessibility & contrast

On white

1.25

#51FDFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.84

#51FDFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51FDFF

16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51FDFF	#FFFFFF	#000000	##000000
##51FDFF	1.00	1.25	16.84	16.84
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.84	21.00	1.00	1.00
##000000	16.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECF1FF

Deuteranopia (green-blind)

#D2DEFF

Tritanopia (blue-blind)

#00FFFD

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #51fdff;
/* rgb */ color: rgb(81, 253, 255);
/* oklch */ color: oklch(90.9% 0.137 196.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51fdff",
  "rgb": {
    "r": 81,
    "g": 253,
    "b": 255
  },
  "hsl": {
    "h": 180.69,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.90946,
    "c": 0.13694,
    "h": 196.2
  },
  "luminance": 0.7922
}

Semantic roles & 50–950 ramp

primary

#51FDFF

secondary

#D02725

accent

#0300E6

background

#FCFFFF

surface

#F6FFFF

border

#D0D7D7

text

#101818

muted

#808686

Preview Lab

Preview with #51FDFF

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

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