#51DAD4#51DAD4

#51DAD4 is a light, moderate teal. Relative luminance 0.566; OKLCH L 81.3% C 0.117 H 191.0°. Best body text is #000000 at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#51DAD4
RGB	rgb(81, 218, 212)
HSL	hsl(177, 65%, 59%)
HSV	hsv(177, 63%, 85%)
CMYK	cmyk(62.8%, 0%, 2.8%, 14.5%)
CIE-LAB	lab(79.98, -37.93, -8.02)
CIE-LCH	lch(79.98, 38.77, 191.94°)
OKLab	oklab(81.33% -0.1153 -0.0224)
OKLCH	oklch(81.33% 0.117 191)
XYZ	xyz(40.3431, 56.6412, 71.0813)
Luminance	0.5665 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DAD4 #DA5157

analogous

#51DA8F #51DAD4 #519BDA

triadic

#51DAD4 #D451DA #DAD451

tetradic

#51DAD4 #8F51DA #DA5157 #9BDA51

square

#51DAD4 #8F51DA #DA5157 #9BDA51

split-complementary

#51DAD4 #DA519B #DA8F51

monochromatic

#1F928D #2AC4BD #51DAD4 #83E5E0 #B6EFED

Accessibility & contrast

On white

1.70

#51DAD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.33

#51DAD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DAD4

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DAD4	#FFFFFF	#000000	##000000
##51DAD4	1.00	1.70	12.33	12.33
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.33	21.00	1.00	1.00
##000000	12.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CECFD4

Deuteranopia (green-blind)

#B9C0D5

Tritanopia (blue-blind)

#00E0D8

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51dad4;
/* rgb */ color: rgb(81, 218, 212);
/* oklch */ color: oklch(81.3% 0.117 191.0);

Tailwind

colors: {
  custom: {
    50: '#92e6e1',
    500: '#51dad4',
    950: '#000000',
  },
}

SCSS

$custom: #51dad4;
$custom-light: #92e6e1;
$custom-dark: #000000;

JSON

{
  "hex": "#51dad4",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 212
  },
  "hsl": {
    "h": 177.372,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.81329,
    "c": 0.11742,
    "h": 191
  },
  "luminance": 0.56646
}

Semantic roles & 50–950 ramp

primary

#51DAD4

secondary

#97393D

accent

#4047E8

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #51DAD4

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

Preview Lab → · Contrast checker → · Palette generator →