#51DCE0#51DCE0

#51DCE0 is a very light, moderate teal. Relative luminance 0.583; OKLCH L 82.2% C 0.118 H 197.8°. Best body text is #000000 at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#51DCE0
RGB	rgb(81, 220, 224)
HSL	hsl(182, 70%, 60%)
HSV	hsv(182, 64%, 88%)
CMYK	cmyk(63.8%, 1.8%, 0%, 12.2%)
CIE-LAB	lab(80.91, -35.58, -13.02)
CIE-LCH	lch(80.91, 37.89, 200.10°)
OKLab	oklab(82.2% -0.1122 -0.0361)
OKLCH	oklch(82.2% 0.118 197.8)
XYZ	xyz(42.4352, 58.3129, 79.5256)
Luminance	0.5832 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DCE0 #E05551

analogous

#51E09C #51DCE0 #5195E0

triadic

#51DCE0 #E051DC #DCE051

tetradic

#51DCE0 #9C51E0 #E05551 #95E051

square

#51DCE0 #9C51E0 #E05551 #95E051

split-complementary

#51DCE0 #E05195 #E09C51

monochromatic

#1C979B #25CACF #51DCE0 #85E6E9 #B9F1F3

Accessibility & contrast

On white

1.66

#51DCE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.66

#51DCE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DCE0

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DCE0	#FFFFFF	#000000	##000000
##51DCE0	1.00	1.66	12.66	12.66
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.66	21.00	1.00	1.00
##000000	12.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDD2E1

Deuteranopia (green-blind)

#B7C2E1

Tritanopia (blue-blind)

#00E3DD

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51dce0;
/* rgb */ color: rgb(81, 220, 224);
/* oklch */ color: oklch(82.2% 0.118 197.8);

Tailwind

colors: {
  custom: {
    50: '#93e7e9',
    500: '#51dce0',
    950: '#000000',
  },
}

SCSS

$custom: #51dce0;
$custom-light: #93e7e9;
$custom-dark: #000000;

JSON

{
  "hex": "#51dce0",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 224
  },
  "hsl": {
    "h": 181.678,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.82203,
    "c": 0.11788,
    "h": 197.8
  },
  "luminance": 0.58318
}

Semantic roles & 50–950 ramp

primary

#51DCE0

secondary

#9F3937

accent

#403BED

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #51DCE0

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

Preview Lab → · Contrast checker → · Palette generator →