#51C8CA#51C8CA

#51C8CA is a light, moderate teal. Relative luminance 0.473; OKLCH L 76.7% C 0.105 H 196.7°. Best body text is #000000 at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#51C8CA
RGB	rgb(81, 200, 202)
HSL	hsl(181, 53%, 55%)
HSV	hsv(181, 60%, 79%)
CMYK	cmyk(59.9%, 1%, 0%, 20.8%)
CIE-LAB	lab(74.39, -32.26, -10.96)
CIE-LCH	lch(74.39, 34.07, 198.76°)
OKLab	oklab(76.71% -0.101 -0.0304)
OKLCH	oklch(76.71% 0.105 196.7)
XYZ	xyz(34.7037, 47.3185, 63.1701)
Luminance	0.4732 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C8CA #CA5351

analogous

#51CA90 #51C8CA #518BCA

triadic

#51C8CA #CA51C8 #C8CA51

tetradic

#51C8CA #9051CA #CA5351 #8BCA51

square

#51C8CA #9051CA #CA5351 #8BCA51

split-complementary

#51C8CA #CA518B #CA9051

monochromatic

#257A7B #34A8AA #51C8CA #80D7D8 #AFE6E7

Accessibility & contrast

On white

2.01

#51C8CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.46

#51C8CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C8CA

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C8CA	#FFFFFF	#000000	##000000
##51C8CA	1.00	2.01	10.46	10.46
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.46	21.00	1.00	1.00
##000000	10.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBBFCA

Deuteranopia (green-blind)

#A8B1CB

Tritanopia (blue-blind)

#00CEC8

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #51c8ca;
/* rgb */ color: rgb(81, 200, 202);
/* oklch */ color: oklch(76.7% 0.105 196.7);

Tailwind

colors: {
  custom: {
    50: '#8fd9da',
    500: '#51c8ca',
    950: '#000000',
  },
}

SCSS

$custom: #51c8ca;
$custom-light: #8fd9da;
$custom-dark: #000000;

JSON

{
  "hex": "#51c8ca",
  "rgb": {
    "r": 81,
    "g": 200,
    "b": 202
  },
  "hsl": {
    "h": 180.992,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.76711,
    "c": 0.10545,
    "h": 196.7
  },
  "luminance": 0.47322
}

Semantic roles & 50–950 ramp

primary

#51C8CA

secondary

#D5A3A2

accent

#4E4BDD

background

#F9FDFD

surface

#F2FAFA

border

#CCD3D3

text

#0E1414

muted

#7E8383

Preview Lab

Preview with #51C8CA

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

Preview Lab → · Contrast checker → · Palette generator →