#51D8A4#51D8A4

#51D8A4 is a light, vivid teal. Relative luminance 0.535; OKLCH L 79.5% C 0.140 H 164.1°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#51D8A4
RGB	rgb(81, 216, 164)
HSL	hsl(157, 63%, 58%)
HSV	hsv(157, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 24.1%, 15.3%)
CIE-LAB	lab(78.19, -48.83, 14.96)
CIE-LCH	lch(78.19, 51.07, 162.97°)
OKLab	oklab(79.48% -0.1347 0.0383)
OKLCH	oklch(79.48% 0.14 164.1)
XYZ	xyz(34.6465, 53.5378, 43.6227)
Luminance	0.5354 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D8A4 #D85185

analogous

#51D860 #51D8A4 #51C8D8

triadic

#51D8A4 #A451D8 #D8A451

tetradic

#51D8A4 #6051D8 #D85185 #C8D851

square

#51D8A4 #6051D8 #D85185 #C8D851

split-complementary

#51D8A4 #D851C8 #D86051

monochromatic

#208F64 #2BC187 #51D8A4 #83E3BE #B5EED8

Accessibility & contrast

On white

1.79

#51D8A4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.71

#51D8A4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D8A4

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D8A4	#FFFFFF	#000000	##000000
##51D8A4	1.00	1.79	11.71	11.71
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.71	21.00	1.00	1.00
##000000	11.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C9A1

Deuteranopia (green-blind)

#C2BCA7

Tritanopia (blue-blind)

#00D8CA

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d8a4;
/* rgb */ color: rgb(81, 216, 164);
/* oklch */ color: oklch(79.5% 0.140 164.1);

Tailwind

colors: {
  custom: {
    50: '#8fe5bf',
    500: '#51d8a4',
    950: '#000000',
  },
}

SCSS

$custom: #51d8a4;
$custom-light: #8fe5bf;
$custom-dark: #000000;

JSON

{
  "hex": "#51d8a4",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 164
  },
  "hsl": {
    "h": 156.889,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.7948,
    "c": 0.14003,
    "h": 164.1
  },
  "luminance": 0.53541
}

Semantic roles & 50–950 ramp

primary

#51D8A4

secondary

#94395C

accent

#4181E6

background

#FCFEFD

surface

#F5FCF8

border

#CFD5D1

text

#0E1612

muted

#7F8482

Preview Lab

Preview with #51D8A4

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

Preview Lab → · Contrast checker → · Palette generator →