#51EDFF#51EDFF

#51EDFF is a very light, vivid teal. Relative luminance 0.695; OKLCH L 87.3% C 0.130 H 206.2°. Best body text is #000000 at 14.91:1 contrast (WCAG AA passes).

Color values

HEX	#51EDFF
RGB	rgb(81, 237, 255)
HSL	hsl(186, 100%, 66%)
HSV	hsv(186, 68%, 100%)
CMYK	cmyk(68.2%, 7.1%, 0%, 0%)
CIE-LAB	lab(86.77, -34.76, -20.59)
CIE-LCH	lch(86.77, 40.40, 210.64°)
OKLab	oklab(87.25% -0.1163 -0.0572)
OKLCH	oklch(87.25% 0.13 206.2)
XYZ	xyz(51.7197, 69.5318, 105.2835)
Luminance	0.6954 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EDFF #FF6351

analogous

#51FFBA #51EDFF #5196FF

triadic

#51EDFF #FF51ED #EDFF51

tetradic

#51EDFF #BA51FF #FF6351 #96FF51

square

#51EDFF #BA51FF #FF6351 #96FF51

split-complementary

#51EDFF #FF5196 #FFBA51

monochromatic

#00C0D6 #14E7FF #51EDFF #8EF3FF #CBFAFF

Accessibility & contrast

On white

1.41

#51EDFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.91

#51EDFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EDFF

14.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EDFF	#FFFFFF	#000000	##000000
##51EDFF	1.00	1.41	14.91	14.91
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.91	21.00	1.00	1.00
##000000	14.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAE4FF

Deuteranopia (green-blind)

#C1D1FF

Tritanopia (blue-blind)

#00F7F2

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #51edff;
/* rgb */ color: rgb(81, 237, 255);
/* oklch */ color: oklch(87.3% 0.130 206.2);

Tailwind

colors: {
  custom: {
    50: '#97f3ff',
    500: '#51edff',
    950: '#000000',
  },
}

SCSS

$custom: #51edff;
$custom-light: #97f3ff;
$custom-dark: #000000;

JSON

{
  "hex": "#51edff",
  "rgb": {
    "r": 81,
    "g": 237,
    "b": 255
  },
  "hsl": {
    "h": 186.207,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.87253,
    "c": 0.12957,
    "h": 206.2
  },
  "luminance": 0.69538
}

Semantic roles & 50–950 ramp

primary

#51EDFF

secondary

#D03625

accent

#1800E6

background

#FCFFFF

surface

#F6FEFF

border

#D0D6D7

text

#0F1718

muted

#808586

Preview Lab

Preview with #51EDFF

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

Preview Lab → · Contrast checker → · Palette generator →