#51D5BE#51D5BE

#51D5BE is a light, moderate teal. Relative luminance 0.531; OKLCH L 79.4% C 0.120 H 179.4°. Best body text is #000000 at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#51D5BE
RGB	rgb(81, 213, 190)
HSL	hsl(170, 61%, 58%)
HSV	hsv(170, 62%, 84%)
CMYK	cmyk(62%, 0%, 10.8%, 16.5%)
CIE-LAB	lab(77.91, -41.41, 0.70)
CIE-LCH	lch(77.91, 41.41, 179.04°)
OKLab	oklab(79.45% -0.1198 0.0012)
OKLCH	oklch(79.45% 0.12 179.4)
XYZ	xyz(36.4775, 53.0517, 57.0228)
Luminance	0.5306 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D5BE #D55168

analogous

#51D57C #51D5BE #51AAD5

triadic

#51D5BE #BE51D5 #D5BE51

tetradic

#51D5BE #7C51D5 #D55168 #AAD551

square

#51D5BE #7C51D5 #D55168 #AAD551

split-complementary

#51D5BE #D551AA #D57C51

monochromatic

#218A78 #2DBCA3 #51D5BE #82E1D0 #B4EDE3

Accessibility & contrast

On white

1.81

#51D5BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.61

#51D5BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5BE

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D5BE	#FFFFFF	#000000	##000000
##51D5BE	1.00	1.81	11.61	11.61
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.61	21.00	1.00	1.00
##000000	11.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDC9BD

Deuteranopia (green-blind)

#B9BBC0

Tritanopia (blue-blind)

#00D8CE

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d5be;
/* rgb */ color: rgb(81, 213, 190);
/* oklch */ color: oklch(79.4% 0.120 179.4);

Tailwind

colors: {
  custom: {
    50: '#90e2d1',
    500: '#51d5be',
    950: '#000000',
  },
}

SCSS

$custom: #51d5be;
$custom-light: #90e2d1;
$custom-dark: #000000;

JSON

{
  "hex": "#51d5be",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 190
  },
  "hsl": {
    "h": 169.545,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.79449,
    "c": 0.11979,
    "h": 179.4
  },
  "luminance": 0.53056
}

Semantic roles & 50–950 ramp

primary

#51D5BE

secondary

#903A49

accent

#4460E4

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1514

muted

#7F8483

Preview Lab

Preview with #51D5BE

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

Preview Lab → · Contrast checker → · Palette generator →