#51D8A9#51D8A9

#51D8A9 is a light, vivid teal. Relative luminance 0.537; OKLCH L 79.6% C 0.136 H 166.5°. Best body text is #000000 at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#51D8A9
RGB	rgb(81, 216, 169)
HSL	hsl(159, 63%, 58%)
HSV	hsv(159, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 21.8%, 15.3%)
CIE-LAB	lab(78.30, -47.72, 12.46)
CIE-LCH	lch(78.30, 49.32, 165.36°)
OKLab	oklab(79.6% -0.1324 0.0319)
OKLCH	oklch(79.6% 0.136 166.5)
XYZ	xyz(35.1070, 53.7220, 46.0476)
Luminance	0.5373 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D8A9 #D85180

analogous

#51D865 #51D8A9 #51C3D8

triadic

#51D8A9 #A951D8 #D8A951

tetradic

#51D8A9 #6551D8 #D85180 #C3D851

square

#51D8A9 #6551D8 #D85180 #C3D851

split-complementary

#51D8A9 #D851C3 #D86551

monochromatic

#208F68 #2BC18D #51D8A9 #83E3C2 #B5EEDA

Accessibility & contrast

On white

1.79

#51D8A9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.75

#51D8A9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D8A9

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D8A9	#FFFFFF	#000000	##000000
##51D8A9	1.00	1.79	11.75	11.75
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.75	21.00	1.00	1.00
##000000	11.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3CAA7

Deuteranopia (green-blind)

#C1BCAC

Tritanopia (blue-blind)

#00D9CB

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d8a9;
/* rgb */ color: rgb(81, 216, 169);
/* oklch */ color: oklch(79.6% 0.136 166.5);

Tailwind

colors: {
  custom: {
    50: '#8fe5c2',
    500: '#51d8a9',
    950: '#000000',
  },
}

SCSS

$custom: #51d8a9;
$custom-light: #8fe5c2;
$custom-dark: #000000;

JSON

{
  "hex": "#51d8a9",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 169
  },
  "hsl": {
    "h": 159.111,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.79604,
    "c": 0.1362,
    "h": 166.5
  },
  "luminance": 0.53726
}

Semantic roles & 50–950 ramp

primary

#51D8A9

secondary

#943959

accent

#417BE6

background

#FCFEFD

surface

#F5FCF9

border

#CFD5D2

text

#0E1612

muted

#7F8482

Preview Lab

Preview with #51D8A9

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

Preview Lab → · Contrast checker → · Palette generator →