#51DEE4#51DEE4

#51DEE4 is a very light, moderate teal. Relative luminance 0.596; OKLCH L 82.8% C 0.119 H 199.2°. Best body text is #000000 at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#51DEE4
RGB	rgb(81, 222, 228)
HSL	hsl(182, 73%, 61%)
HSV	hsv(182, 64%, 89%)
CMYK	cmyk(64.5%, 2.6%, 0%, 10.6%)
CIE-LAB	lab(81.61, -35.40, -14.10)
CIE-LCH	lch(81.61, 38.10, 201.72°)
OKLab	oklab(82.81% -0.1125 -0.0391)
OKLCH	oklch(82.81% 0.119 199.2)
XYZ	xyz(43.5121, 59.5885, 82.5923)
Luminance	0.5959 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DEE4 #E45751

analogous

#51E4A0 #51DEE4 #5194E4

triadic

#51DEE4 #E451DE #DEE451

tetradic

#51DEE4 #A051E4 #E45751 #94E451

square

#51DEE4 #A051E4 #E45751 #94E451

split-complementary

#51DEE4 #E45194 #E4A051

monochromatic

#199CA2 #21CFD7 #51DEE4 #86E8EC #BBF2F4

Accessibility & contrast

On white

1.63

#51DEE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.92

#51DEE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DEE4

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DEE4	#FFFFFF	#000000	##000000
##51DEE4	1.00	1.63	12.92	12.92
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.92	21.00	1.00	1.00
##000000	12.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFD4E5

Deuteranopia (green-blind)

#B8C4E5

Tritanopia (blue-blind)

#00E6DF

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51dee4;
/* rgb */ color: rgb(81, 222, 228);
/* oklch */ color: oklch(82.8% 0.119 199.2);

Tailwind

colors: {
  custom: {
    50: '#93e8ec',
    500: '#51dee4',
    950: '#000000',
  },
}

SCSS

$custom: #51dee4;
$custom-light: #93e8ec;
$custom-dark: #000000;

JSON

{
  "hex": "#51dee4",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 228
  },
  "hsl": {
    "h": 182.449,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.82811,
    "c": 0.11914,
    "h": 199.2
  },
  "luminance": 0.59593
}

Semantic roles & 50–950 ramp

primary

#51DEE4

secondary

#A43A35

accent

#1810D5

background

#FCFEFE

surface

#F5FDFD

border

#CFD5D5

text

#0F1616

muted

#808484

Preview Lab

Preview with #51DEE4

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

Preview Lab → · Contrast checker → · Palette generator →