#51DDE0#51DDE0

#51DDE0 is a very light, moderate teal. Relative luminance 0.588; OKLCH L 82.4% C 0.118 H 197.1°. Best body text is #000000 at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#51DDE0
RGB	rgb(81, 221, 224)
HSL	hsl(181, 70%, 60%)
HSV	hsv(181, 64%, 88%)
CMYK	cmyk(63.8%, 1.3%, 0%, 12.2%)
CIE-LAB	lab(81.20, -36.04, -12.59)
CIE-LCH	lch(81.20, 38.18, 199.25°)
OKLab	oklab(82.44% -0.1132 -0.0349)
OKLCH	oklch(82.44% 0.118 197.1)
XYZ	xyz(42.6984, 58.8393, 79.6134)
Luminance	0.5884 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDE0 #E05451

analogous

#51E09C #51DDE0 #5195E0

triadic

#51DDE0 #E051DD #DDE051

tetradic

#51DDE0 #9C51E0 #E05451 #95E051

square

#51DDE0 #9C51E0 #E05451 #95E051

split-complementary

#51DDE0 #E05195 #E09C51

monochromatic

#1C989B #25CBCF #51DDE0 #85E7E9 #B9F1F3

Accessibility & contrast

On white

1.64

#51DDE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.77

#51DDE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDE0

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDE0	#FFFFFF	#000000	##000000
##51DDE0	1.00	1.64	12.77	12.77
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.77	21.00	1.00	1.00
##000000	12.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFD3E0

Deuteranopia (green-blind)

#B9C3E1

Tritanopia (blue-blind)

#00E4DE

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51dde0;
/* rgb */ color: rgb(81, 221, 224);
/* oklch */ color: oklch(82.4% 0.118 197.1);

Tailwind

colors: {
  custom: {
    50: '#93e8e9',
    500: '#51dde0',
    950: '#000000',
  },
}

SCSS

$custom: #51dde0;
$custom-light: #93e8e9;
$custom-dark: #000000;

JSON

{
  "hex": "#51dde0",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 224
  },
  "hsl": {
    "h": 181.259,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.82439,
    "c": 0.11847,
    "h": 197.1
  },
  "luminance": 0.58844
}

Semantic roles & 50–950 ramp

primary

#51DDE0

secondary

#9F3937

accent

#3F3BED

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #51DDE0

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

Preview Lab → · Contrast checker → · Palette generator →