#51D8AA#51D8AA

#51D8AA is a light, vivid teal. Relative luminance 0.538; OKLCH L 79.6% C 0.135 H 166.9°. Best body text is #000000 at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#51D8AA
RGB	rgb(81, 216, 170)
HSL	hsl(160, 63%, 58%)
HSV	hsv(160, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 21.3%, 15.3%)
CIE-LAB	lab(78.32, -47.49, 11.96)
CIE-LCH	lch(78.32, 48.97, 165.86°)
OKLab	oklab(79.63% -0.132 0.0306)
OKLCH	oklch(79.63% 0.135 166.9)
XYZ	xyz(35.2012, 53.7597, 46.5439)
Luminance	0.5376 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D8AA #D8517F

analogous

#51D867 #51D8AA #51C2D8

triadic

#51D8AA #AA51D8 #D8AA51

tetradic

#51D8AA #6751D8 #D8517F #C2D851

square

#51D8AA #6751D8 #D8517F #C2D851

split-complementary

#51D8AA #D851C2 #D86751

monochromatic

#208F69 #2BC18E #51D8AA #83E3C2 #B5EEDB

Accessibility & contrast

On white

1.79

#51D8AA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.75

#51D8AA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D8AA

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D8AA	#FFFFFF	#000000	##000000
##51D8AA	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)

#D3CAA8

Deuteranopia (green-blind)

#C0BCAD

Tritanopia (blue-blind)

#00D9CB

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d8aa;
/* rgb */ color: rgb(81, 216, 170);
/* oklch */ color: oklch(79.6% 0.135 166.9);

Tailwind

colors: {
  custom: {
    50: '#8fe5c3',
    500: '#51d8aa',
    950: '#000000',
  },
}

SCSS

$custom: #51d8aa;
$custom-light: #8fe5c3;
$custom-dark: #000000;

JSON

{
  "hex": "#51d8aa",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 170
  },
  "hsl": {
    "h": 159.556,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.79629,
    "c": 0.13547,
    "h": 166.9
  },
  "luminance": 0.53763
}

Semantic roles & 50–950 ramp

primary

#51D8AA

secondary

#943958

accent

#417AE6

background

#FCFEFD

surface

#F5FCF9

border

#CFD5D2

text

#0E1612

muted

#7F8482

Preview Lab

Preview with #51D8AA

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

Preview Lab → · Contrast checker → · Palette generator →