#51DEEE#51DEEE

#51DEEE is a very light, vivid teal. Relative luminance 0.602; OKLCH L 83.2% C 0.121 H 205.9°. Best body text is #000000 at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#51DEEE
RGB	rgb(81, 222, 238)
HSL	hsl(186, 82%, 63%)
HSV	hsv(186, 66%, 93%)
CMYK	cmyk(66%, 6.7%, 0%, 6.7%)
CIE-LAB	lab(81.92, -32.56, -18.94)
CIE-LCH	lch(81.92, 37.67, 210.18°)
OKLab	oklab(83.17% -0.1085 -0.0526)
OKLCH	oklch(83.17% 0.121 205.9)
XYZ	xyz(44.9406, 60.1599, 90.1159)
Luminance	0.6017 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DEEE #EE6151

analogous

#51EEB0 #51DEEE #518FEE

triadic

#51DEEE #EE51DE #DEEE51

tetradic

#51DEEE #B051EE #EE6151 #8FEE51

square

#51DEEE #B051EE #EE6151 #8FEE51

split-complementary

#51DEEE #EE518F #EEB051

monochromatic

#11A3B3 #19D3E9 #51DEEE #89E9F3 #C1F3F9

Accessibility & contrast

On white

1.61

#51DEEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.03

#51DEEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DEEE

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DEEE	#FFFFFF	#000000	##000000
##51DEEE	1.00	1.61	13.03	13.03
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.03	21.00	1.00	1.00
##000000	13.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCD5EF

Deuteranopia (green-blind)

#B5C4EE

Tritanopia (blue-blind)

#00E7E3

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51deee;
/* rgb */ color: rgb(81, 222, 238);
/* oklch */ color: oklch(83.2% 0.121 205.9);

Tailwind

colors: {
  custom: {
    50: '#94e8f3',
    500: '#51deee',
    950: '#000000',
  },
}

SCSS

$custom: #51deee;
$custom-light: #94e8f3;
$custom-dark: #000000;

JSON

{
  "hex": "#51deee",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 238
  },
  "hsl": {
    "h": 186.115,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.83165,
    "c": 0.12053,
    "h": 205.9
  },
  "luminance": 0.60165
}

Semantic roles & 50–950 ramp

primary

#51DEEE

secondary

#B33E30

accent

#1D07DF

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #51DEEE

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

Preview Lab → · Contrast checker → · Palette generator →