#51DEE2#51DEE2

#51DEE2 is a very light, moderate teal. Relative luminance 0.595; OKLCH L 82.7% C 0.119 H 197.8°. Best body text is #000000 at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#51DEE2
RGB	rgb(81, 222, 226)
HSL	hsl(182, 71%, 60%)
HSV	hsv(182, 64%, 89%)
CMYK	cmyk(64.2%, 1.8%, 0%, 11.4%)
CIE-LAB	lab(81.55, -35.95, -13.13)
CIE-LCH	lch(81.55, 38.27, 200.06°)
OKLab	oklab(82.74% -0.1134 -0.0364)
OKLCH	oklch(82.74% 0.119 197.8)
XYZ	xyz(43.2360, 59.4781, 81.1385)
Luminance	0.5948 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DEE2 #E25551

analogous

#51E29D #51DEE2 #5196E2

triadic

#51DEE2 #E251DE #DEE251

tetradic

#51DEE2 #9D51E2 #E25551 #96E251

square

#51DEE2 #9D51E2 #E25551 #96E251

split-complementary

#51DEE2 #E25196 #E29D51

monochromatic

#1A9B9E #23CED3 #51DEE2 #85E8EB #BAF2F3

Accessibility & contrast

On white

1.63

#51DEE2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.90

#51DEE2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DEE2

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DEE2	#FFFFFF	#000000	##000000
##51DEE2	1.00	1.63	12.90	12.90
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.90	21.00	1.00	1.00
##000000	12.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFD4E3

Deuteranopia (green-blind)

#B9C4E3

Tritanopia (blue-blind)

#00E5DF

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51dee2;
/* rgb */ color: rgb(81, 222, 226);
/* oklch */ color: oklch(82.7% 0.119 197.8);

Tailwind

colors: {
  custom: {
    50: '#93e8eb',
    500: '#51dee2',
    950: '#000000',
  },
}

SCSS

$custom: #51dee2;
$custom-light: #93e8eb;
$custom-dark: #000000;

JSON

{
  "hex": "#51dee2",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 226
  },
  "hsl": {
    "h": 181.655,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.82742,
    "c": 0.11908,
    "h": 197.8
  },
  "luminance": 0.59483
}

Semantic roles & 50–950 ramp

primary

#51DEE2

secondary

#A13936

accent

#1712D3

background

#FCFEFE

surface

#F5FDFD

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #51DEE2

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

Preview Lab → · Contrast checker → · Palette generator →