#51DCFC#51DCFC

#51DCFC is a very light, vivid cyan. Relative luminance 0.600; OKLCH L 83.2% C 0.125 H 216.2°. Best body text is #000000 at 12.99:1 contrast (WCAG AA passes).

Color values

HEX	#51DCFC
RGB	rgb(81, 220, 252)
HSL	hsl(191, 97%, 65%)
HSV	hsv(191, 68%, 99%)
CMYK	cmyk(67.9%, 12.7%, 0%, 1.2%)
CIE-LAB	lab(81.82, -27.50, -26.53)
CIE-LCH	lch(81.82, 38.21, 223.97°)
OKLab	oklab(83.23% -0.1011 -0.0739)
OKLCH	oklch(83.23% 0.125 216.2)
XYZ	xyz(46.5499, 59.9587, 101.1965)
Luminance	0.5996 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DCFC #FC7151

analogous

#51FCC6 #51DCFC #5186FC

triadic

#51DCFC #FC51DC #DCFC51

tetradic

#51DCFC #C651FC #FC7151 #86FC51

square

#51DCFC #C651FC #FC7151 #86FC51

split-complementary

#51DCFC #FC5186 #FCC651

monochromatic

#04A9CF #15D0FB #51DCFC #8DE8FD #C9F4FE

Accessibility & contrast

On white

1.62

#51DCFC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.99

#51DCFC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DCFC

12.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DCFC	#FFFFFF	#000000	##000000
##51DCFC	1.00	1.62	12.99	12.99
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.99	21.00	1.00	1.00
##000000	12.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6D5FE

Deuteranopia (green-blind)

#AEC4FC

Tritanopia (blue-blind)

#00E8E6

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51dcfc;
/* rgb */ color: rgb(81, 220, 252);
/* oklch */ color: oklch(83.2% 0.125 216.2);

Tailwind

colors: {
  custom: {
    50: '#96e7fd',
    500: '#51dcfc',
    950: '#000000',
  },
}

SCSS

$custom: #51dcfc;
$custom-light: #96e7fd;
$custom-dark: #000000;

JSON

{
  "hex": "#51dcfc",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 252
  },
  "hsl": {
    "h": 191.228,
    "s": 96.61,
    "l": 65.294
  },
  "oklch": {
    "l": 0.83231,
    "c": 0.1252,
    "h": 216.2
  },
  "luminance": 0.59964
}

Semantic roles & 50–950 ramp

primary

#51DCFC

secondary

#CA4627

accent

#2B00E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1617

muted

#808485

Preview Lab

Preview with #51DCFC

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

Preview Lab → · Contrast checker → · Palette generator →