#51D5AB#51D5AB

#51D5AB is a light, vivid teal. Relative luminance 0.523; OKLCH L 78.9% C 0.131 H 168.5°. Best body text is #000000 at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#51D5AB
RGB	rgb(81, 213, 171)
HSL	hsl(161, 61%, 58%)
HSV	hsv(161, 62%, 84%)
CMYK	cmyk(62%, 0%, 19.7%, 16.5%)
CIE-LAB	lab(77.44, -45.99, 10.19)
CIE-LCH	lch(77.44, 47.11, 167.51°)
OKLab	oklab(78.92% -0.1284 0.0261)
OKLCH	oklch(78.92% 0.131 168.5)
XYZ	xyz(34.5346, 52.2745, 46.7902)
Luminance	0.5228 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D5AB #D5517B

analogous

#51D569 #51D5AB #51BDD5

triadic

#51D5AB #AB51D5 #D5AB51

tetradic

#51D5AB #6951D5 #D5517B #BDD551

square

#51D5AB #6951D5 #D5517B #BDD551

split-complementary

#51D5AB #D551BD #D56951

monochromatic

#218A69 #2DBC8E #51D5AB #82E1C3 #B4EDDB

Accessibility & contrast

On white

1.83

#51D5AB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.46

#51D5AB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5AB

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D5AB	#FFFFFF	#000000	##000000
##51D5AB	1.00	1.83	11.46	11.46
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.46	21.00	1.00	1.00
##000000	11.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0C7A9

Deuteranopia (green-blind)

#BDBAAE

Tritanopia (blue-blind)

#00D6C9

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d5ab;
/* rgb */ color: rgb(81, 213, 171);
/* oklch */ color: oklch(78.9% 0.131 168.5);

Tailwind

colors: {
  custom: {
    50: '#8fe3c4',
    500: '#51d5ab',
    950: '#000000',
  },
}

SCSS

$custom: #51d5ab;
$custom-light: #8fe3c4;
$custom-dark: #000000;

JSON

{
  "hex": "#51d5ab",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 171
  },
  "hsl": {
    "h": 160.909,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.7892,
    "c": 0.13101,
    "h": 168.5
  },
  "luminance": 0.52278
}

Semantic roles & 50–950 ramp

primary

#51D5AB

secondary

#903A55

accent

#4477E4

background

#FCFEFD

surface

#F5FCF9

border

#CFD5D2

text

#0E1512

muted

#7F8482

Preview Lab

Preview with #51D5AB

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

Preview Lab → · Contrast checker → · Palette generator →