#51C8D4#51C8D4

#51C8D4 is a light, moderate teal. Relative luminance 0.478; OKLCH L 77.1% C 0.106 H 204.5°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#51C8D4
RGB	rgb(81, 200, 212)
HSL	hsl(185, 60%, 57%)
HSV	hsv(185, 62%, 83%)
CMYK	cmyk(61.8%, 5.7%, 0%, 16.9%)
CIE-LAB	lab(74.70, -29.45, -15.91)
CIE-LCH	lch(74.70, 33.47, 208.38°)
OKLab	oklab(77.07% -0.0968 -0.0441)
OKLCH	oklch(77.07% 0.106 204.5)
XYZ	xyz(35.9262, 47.8075, 69.6090)
Luminance	0.4781 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C8D4 #D45D51

analogous

#51D49E #51C8D4 #5187D4

triadic

#51C8D4 #D451C8 #C8D451

tetradic

#51C8D4 #9E51D4 #D45D51 #87D451

square

#51C8D4 #9E51D4 #D45D51 #87D451

split-complementary

#51C8D4 #D45187 #D49E51

monochromatic

#227F89 #2EADBA #51C8D4 #82D8E0 #B3E7EC

Accessibility & contrast

On white

1.99

#51C8D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.56

#51C8D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C8D4

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C8D4	#FFFFFF	#000000	##000000
##51C8D4	1.00	1.99	10.56	10.56
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.56	21.00	1.00	1.00
##000000	10.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9C0D5

Deuteranopia (green-blind)

#A5B2D4

Tritanopia (blue-blind)

#00D0CB

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51c8d4;
/* rgb */ color: rgb(81, 200, 212);
/* oklch */ color: oklch(77.1% 0.106 204.5);

Tailwind

colors: {
  custom: {
    50: '#90d9e1',
    500: '#51c8d4',
    950: '#000000',
  },
}

SCSS

$custom: #51c8d4;
$custom-light: #90d9e1;
$custom-dark: #000000;

JSON

{
  "hex": "#51c8d4",
  "rgb": {
    "r": 81,
    "g": 200,
    "b": 212
  },
  "hsl": {
    "h": 185.496,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.77065,
    "c": 0.10638,
    "h": 204.5
  },
  "luminance": 0.47811
}

Semantic roles & 50–950 ramp

primary

#51C8D4

secondary

#DBABA6

accent

#5344E4

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0E1415

muted

#7E8383

Preview Lab

Preview with #51C8D4

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

Preview Lab → · Contrast checker → · Palette generator →