#51DDDF#51DDDF

#51DDDF is a very light, moderate teal. Relative luminance 0.588; OKLCH L 82.4% C 0.118 H 196.5°. Best body text is #000000 at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#51DDDF
RGB	rgb(81, 221, 223)
HSL	hsl(181, 69%, 60%)
HSV	hsv(181, 64%, 87%)
CMYK	cmyk(63.7%, 0.9%, 0%, 12.5%)
CIE-LAB	lab(81.17, -36.32, -12.10)
CIE-LCH	lch(81.17, 38.28, 198.43°)
OKLab	oklab(82.41% -0.1136 -0.0336)
OKLCH	oklch(82.41% 0.118 196.5)
XYZ	xyz(42.5632, 58.7852, 78.9013)
Luminance	0.5879 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDDF #DF5351

analogous

#51DF9A #51DDDF #5196DF

triadic

#51DDDF #DF51DD #DDDF51

tetradic

#51DDDF #9A51DF #DF5351 #96DF51

square

#51DDDF #9A51DF #DF5351 #96DF51

split-complementary

#51DDDF #DF5196 #DF9A51

monochromatic

#1C9899 #26CBCD #51DDDF #85E7E9 #B8F1F2

Accessibility & contrast

On white

1.65

#51DDDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.76

#51DDDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDDF

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDDF	#FFFFFF	#000000	##000000
##51DDDF	1.00	1.65	12.76	12.76
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.76	21.00	1.00	1.00
##000000	12.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFD3DF

Deuteranopia (green-blind)

#B9C3E0

Tritanopia (blue-blind)

#00E4DD

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51dddf;
/* rgb */ color: rgb(81, 221, 223);
/* oklch */ color: oklch(82.4% 0.118 196.5);

Tailwind

colors: {
  custom: {
    50: '#93e8e9',
    500: '#51dddf',
    950: '#000000',
  },
}

SCSS

$custom: #51dddf;
$custom-light: #93e8e9;
$custom-dark: #000000;

JSON

{
  "hex": "#51dddf",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 223
  },
  "hsl": {
    "h": 180.845,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.82405,
    "c": 0.11849,
    "h": 196.5
  },
  "luminance": 0.5879
}

Semantic roles & 50–950 ramp

primary

#51DDDF

secondary

#9D3837

accent

#3F3CEC

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #51DDDF

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

Preview Lab → · Contrast checker → · Palette generator →