#51D8A8#51D8A8

#51D8A8 is a light, vivid teal. Relative luminance 0.537; OKLCH L 79.6% C 0.137 H 166.0°. Best body text is #000000 at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#51D8A8
RGB	rgb(81, 216, 168)
HSL	hsl(159, 63%, 58%)
HSV	hsv(159, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 22.2%, 15.3%)
CIE-LAB	lab(78.28, -47.94, 12.96)
CIE-LCH	lch(78.28, 49.66, 164.87°)
OKLab	oklab(79.58% -0.1329 0.0332)
OKLCH	oklch(79.58% 0.137 166)
XYZ	xyz(35.0135, 53.6846, 45.5551)
Luminance	0.5369 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D8A8 #D85181

analogous

#51D864 #51D8A8 #51C4D8

triadic

#51D8A8 #A851D8 #D8A851

tetradic

#51D8A8 #6451D8 #D85181 #C4D851

square

#51D8A8 #6451D8 #D85181 #C4D851

split-complementary

#51D8A8 #D851C4 #D86451

monochromatic

#208F67 #2BC18B #51D8A8 #83E3C1 #B5EEDA

Accessibility & contrast

On white

1.79

#51D8A8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.74

#51D8A8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D8A8

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D8A8	#FFFFFF	#000000	##000000
##51D8A8	1.00	1.79	11.74	11.74
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.74	21.00	1.00	1.00
##000000	11.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4CAA5

Deuteranopia (green-blind)

#C1BCAB

Tritanopia (blue-blind)

#00D9CB

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d8a8;
/* rgb */ color: rgb(81, 216, 168);
/* oklch */ color: oklch(79.6% 0.137 166.0);

Tailwind

colors: {
  custom: {
    50: '#8fe5c2',
    500: '#51d8a8',
    950: '#000000',
  },
}

SCSS

$custom: #51d8a8;
$custom-light: #8fe5c2;
$custom-dark: #000000;

JSON

{
  "hex": "#51d8a8",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 168
  },
  "hsl": {
    "h": 158.667,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.79579,
    "c": 0.13695,
    "h": 166
  },
  "luminance": 0.53688
}

Semantic roles & 50–950 ramp

primary

#51D8A8

secondary

#943959

accent

#417CE6

background

#FCFEFD

surface

#F5FCF9

border

#CFD5D2

text

#0E1612

muted

#7F8482

Preview Lab

Preview with #51D8A8

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

Preview Lab → · Contrast checker → · Palette generator →