#51ECFF#51ECFF

#51ECFF is a very light, vivid teal. Relative luminance 0.690; OKLCH L 87.0% C 0.129 H 206.9°. Best body text is #000000 at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#51ECFF
RGB	rgb(81, 236, 255)
HSL	hsl(187, 100%, 66%)
HSV	hsv(187, 68%, 100%)
CMYK	cmyk(68.2%, 7.5%, 0%, 0%)
CIE-LAB	lab(86.48, -34.29, -21.02)
CIE-LCH	lch(86.48, 40.22, 211.51°)
OKLab	oklab(87.02% -0.1153 -0.0584)
OKLCH	oklch(87.02% 0.129 206.9)
XYZ	xyz(51.4310, 68.9543, 105.1873)
Luminance	0.6896 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ECFF #FF6451

analogous

#51FFBB #51ECFF #5195FF

triadic

#51ECFF #FF51EC #ECFF51

tetradic

#51ECFF #BB51FF #FF6451 #95FF51

square

#51ECFF #BB51FF #FF6451 #95FF51

split-complementary

#51ECFF #FF5195 #FFBB51

monochromatic

#00BED6 #14E5FF #51ECFF #8EF3FF #CBF9FF

Accessibility & contrast

On white

1.42

#51ECFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.79

#51ECFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ECFF

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ECFF	#FFFFFF	#000000	##000000
##51ECFF	1.00	1.42	14.79	14.79
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.79	21.00	1.00	1.00
##000000	14.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9E3FF

Deuteranopia (green-blind)

#C0D1FF

Tritanopia (blue-blind)

#00F6F2

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #51ecff;
/* rgb */ color: rgb(81, 236, 255);
/* oklch */ color: oklch(87.0% 0.129 206.9);

Tailwind

colors: {
  custom: {
    50: '#97f2ff',
    500: '#51ecff',
    950: '#000000',
  },
}

SCSS

$custom: #51ecff;
$custom-light: #97f2ff;
$custom-dark: #000000;

JSON

{
  "hex": "#51ecff",
  "rgb": {
    "r": 81,
    "g": 236,
    "b": 255
  },
  "hsl": {
    "h": 186.552,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.87023,
    "c": 0.12925,
    "h": 206.9
  },
  "luminance": 0.6896
}

Semantic roles & 50–950 ramp

primary

#51ECFF

secondary

#D03725

accent

#1900E6

background

#FCFFFF

surface

#F6FEFF

border

#D0D6D7

text

#0F1718

muted

#808586

Preview Lab

Preview with #51ECFF

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

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