#51C5CE#51C5CE

#51C5CE is a light, moderate teal. Relative luminance 0.461; OKLCH L 76.1% C 0.104 H 202.3°. Best body text is #000000 at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#51C5CE
RGB	rgb(81, 197, 206)
HSL	hsl(184, 56%, 56%)
HSV	hsv(184, 61%, 81%)
CMYK	cmyk(60.7%, 4.4%, 0%, 19.2%)
CIE-LAB	lab(73.63, -29.70, -14.27)
CIE-LCH	lch(73.63, 32.95, 205.66°)
OKLab	oklab(76.14% -0.0962 -0.0395)
OKLCH	oklch(76.14% 0.104 202.3)
XYZ	xyz(34.4954, 46.1345, 65.4674)
Luminance	0.4614 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C5CE #CE5A51

analogous

#51CE99 #51C5CE #5187CE

triadic

#51C5CE #CE51C5 #C5CE51

tetradic

#51C5CE #9951CE #CE5A51 #87CE51

square

#51C5CE #9951CE #CE5A51 #87CE51

split-complementary

#51C5CE #CE5187 #CE9951

monochromatic

#247A80 #32A7B0 #51C5CE #81D5DB #B1E5E9

Accessibility & contrast

On white

2.05

#51C5CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.23

#51C5CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C5CE

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C5CE	#FFFFFF	#000000	##000000
##51C5CE	1.00	2.05	10.23	10.23
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.23	21.00	1.00	1.00
##000000	10.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7BDCF

Deuteranopia (green-blind)

#A4AFCF

Tritanopia (blue-blind)

#00CCC7

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #51c5ce;
/* rgb */ color: rgb(81, 197, 206);
/* oklch */ color: oklch(76.1% 0.104 202.3);

Tailwind

colors: {
  custom: {
    50: '#8fd7dd',
    500: '#51c5ce',
    950: '#000000',
  },
}

SCSS

$custom: #51c5ce;
$custom-light: #8fd7dd;
$custom-dark: #000000;

JSON

{
  "hex": "#51c5ce",
  "rgb": {
    "r": 81,
    "g": 197,
    "b": 206
  },
  "hsl": {
    "h": 184.32,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.76138,
    "c": 0.10397,
    "h": 202.3
  },
  "luminance": 0.46138
}

Semantic roles & 50–950 ramp

primary

#51C5CE

secondary

#D7A7A4

accent

#5348DF

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0E1415

muted

#7E8383

Preview Lab

Preview with #51C5CE

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

Preview Lab → · Contrast checker → · Palette generator →