#51D8BC#51D8BC

#51D8BC is a light, vivid teal. Relative luminance 0.545; OKLCH L 80.1% C 0.124 H 176.6°. Best body text is #000000 at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#51D8BC
RGB	rgb(81, 216, 188)
HSL	hsl(168, 63%, 58%)
HSV	hsv(168, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 13%, 15.3%)
CIE-LAB	lab(78.75, -43.23, 2.99)
CIE-LCH	lch(78.75, 43.33, 176.05°)
OKLab	oklab(80.12% -0.1238 0.0073)
OKLCH	oklch(80.12% 0.124 176.6)
XYZ	xyz(37.0220, 54.4880, 56.1333)
Luminance	0.5449 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D8BC #D8516D

analogous

#51D879 #51D8BC #51B0D8

triadic

#51D8BC #BC51D8 #D8BC51

tetradic

#51D8BC #7951D8 #D8516D #B0D851

square

#51D8BC #7951D8 #D8516D #B0D851

split-complementary

#51D8BC #D851B0 #D87951

monochromatic

#208F78 #2BC1A2 #51D8BC #83E3CF #B5EEE3

Accessibility & contrast

On white

1.76

#51D8BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.90

#51D8BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D8BC

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D8BC	#FFFFFF	#000000	##000000
##51D8BC	1.00	1.76	11.90	11.90
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.90	21.00	1.00	1.00
##000000	11.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0CBBB

Deuteranopia (green-blind)

#BDBDBE

Tritanopia (blue-blind)

#00DBD0

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51d8bc;
/* rgb */ color: rgb(81, 216, 188);
/* oklch */ color: oklch(80.1% 0.124 176.6);

Tailwind

colors: {
  custom: {
    50: '#90e5d0',
    500: '#51d8bc',
    950: '#000000',
  },
}

SCSS

$custom: #51d8bc;
$custom-light: #90e5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51d8bc",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 188
  },
  "hsl": {
    "h": 167.556,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.80115,
    "c": 0.12399,
    "h": 176.6
  },
  "luminance": 0.54492
}

Semantic roles & 50–950 ramp

primary

#51D8BC

secondary

#94394C

accent

#4164E6

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1613

muted

#7F8483

Preview Lab

Preview with #51D8BC

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

Preview Lab → · Contrast checker → · Palette generator →