#51CBB4#51CBB4

#51CBB4 is a light, moderate teal. Relative luminance 0.478; OKLCH L 76.7% C 0.114 H 178.5°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#51CBB4
RGB	rgb(81, 203, 180)
HSL	hsl(169, 54%, 56%)
HSV	hsv(169, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 11.3%, 20.4%)
CIE-LAB	lab(74.67, -39.45, 1.36)
CIE-LCH	lch(74.67, 39.47, 178.03°)
OKLab	oklab(76.73% -0.1138 0.003)
OKLCH	oklch(76.73% 0.114 178.5)
XYZ	xyz(32.9837, 47.7531, 50.6502)
Luminance	0.4776 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CBB4 #CB5168

analogous

#51CB77 #51CBB4 #51A5CB

triadic

#51CBB4 #B451CB #CBB451

tetradic

#51CBB4 #7751CB #CB5168 #A5CB51

square

#51CBB4 #7751CB #CB5168 #A5CB51

split-complementary

#51CBB4 #CB51A5 #CB7751

monochromatic

#257C6C #33AC95 #51CBB4 #80D9C8 #AFE7DD

Accessibility & contrast

On white

1.99

#51CBB4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.55

#51CBB4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CBB4

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CBB4	#FFFFFF	#000000	##000000
##51CBB4	1.00	1.99	10.55	10.55
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.55	21.00	1.00	1.00
##000000	10.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3C0B3

Deuteranopia (green-blind)

#B1B2B6

Tritanopia (blue-blind)

#00CEC4

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51cbb4;
/* rgb */ color: rgb(81, 203, 180);
/* oklch */ color: oklch(76.7% 0.114 178.5);

Tailwind

colors: {
  custom: {
    50: '#8edbca',
    500: '#51cbb4',
    950: '#000000',
  },
}

SCSS

$custom: #51cbb4;
$custom-light: #8edbca;
$custom-dark: #000000;

JSON

{
  "hex": "#51cbb4",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 180
  },
  "hsl": {
    "h": 168.689,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.76731,
    "c": 0.11384,
    "h": 178.5
  },
  "luminance": 0.47756
}

Semantic roles & 50–950 ramp

primary

#51CBB4

secondary

#D5A3AC

accent

#4A66DD

background

#F9FDFC

surface

#F2FBF8

border

#CCD4D1

text

#0D1513

muted

#7E8382

Preview Lab

Preview with #51CBB4

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

Preview Lab → · Contrast checker → · Palette generator →