#51D8D2#51D8D2

#51D8D2 is a light, moderate teal. Relative luminance 0.555; OKLCH L 80.8% C 0.116 H 190.9°. Best body text is #000000 at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#51D8D2
RGB	rgb(81, 216, 210)
HSL	hsl(177, 63%, 58%)
HSV	hsv(177, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 2.8%, 15.3%)
CIE-LAB	lab(79.33, -37.55, -7.91)
CIE-LCH	lch(79.33, 38.38, 191.89°)
OKLab	oklab(80.79% -0.1141 -0.022)
OKLCH	oklch(80.79% 0.116 190.9)
XYZ	xyz(39.5769, 55.5099, 69.5890)
Luminance	0.5551 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D8D2 #D85157

analogous

#51D88E #51D8D2 #519BD8

triadic

#51D8D2 #D251D8 #D8D251

tetradic

#51D8D2 #8E51D8 #D85157 #9BD851

square

#51D8D2 #8E51D8 #D85157 #9BD851

split-complementary

#51D8D2 #D8519B #D88E51

monochromatic

#208F8A #2BC1BA #51D8D2 #83E3DF #B5EEEC

Accessibility & contrast

On white

1.74

#51D8D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.10

#51D8D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D8D2

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D8D2	#FFFFFF	#000000	##000000
##51D8D2	1.00	1.74	12.10	12.10
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.10	21.00	1.00	1.00
##000000	12.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCCDD2

Deuteranopia (green-blind)

#B7BED3

Tritanopia (blue-blind)

#00DED6

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51d8d2;
/* rgb */ color: rgb(81, 216, 210);
/* oklch */ color: oklch(80.8% 0.116 190.9);

Tailwind

colors: {
  custom: {
    50: '#91e4df',
    500: '#51d8d2',
    950: '#000000',
  },
}

SCSS

$custom: #51d8d2;
$custom-light: #91e4df;
$custom-dark: #000000;

JSON

{
  "hex": "#51d8d2",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 210
  },
  "hsl": {
    "h": 177.333,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.80789,
    "c": 0.11621,
    "h": 190.9
  },
  "luminance": 0.55514
}

Semantic roles & 50–950 ramp

primary

#51D8D2

secondary

#94393D

accent

#4149E6

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D8D2

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

Preview Lab → · Contrast checker → · Palette generator →