#51D9CD#51D9CD

#51D9CD is a light, moderate teal. Relative luminance 0.558; OKLCH L 80.9% C 0.118 H 186.9°. Best body text is #000000 at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#51D9CD
RGB	rgb(81, 217, 205)
HSL	hsl(175, 64%, 58%)
HSV	hsv(175, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 5.5%, 14.9%)
CIE-LAB	lab(79.49, -39.34, -5.01)
CIE-LCH	lch(79.49, 39.66, 187.25°)
OKLab	oklab(80.87% -0.1173 -0.0142)
OKLCH	oklch(80.87% 0.118 186.9)
XYZ	xyz(39.2206, 55.7786, 66.4451)
Luminance	0.5578 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D9CD #D9515D

analogous

#51D989 #51D9CD #51A1D9

triadic

#51D9CD #CD51D9 #D9CD51

tetradic

#51D9CD #8951D9 #D9515D #A1D951

square

#51D9CD #8951D9 #D9515D #A1D951

split-complementary

#51D9CD #D951A1 #D98951

monochromatic

#1F9086 #2AC2B5 #51D9CD #83E4DB #B5EFEA

Accessibility & contrast

On white

1.73

#51D9CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.16

#51D9CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D9CD

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D9CD	#FFFFFF	#000000	##000000
##51D9CD	1.00	1.73	12.16	12.16
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.16	21.00	1.00	1.00
##000000	12.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CECECD

Deuteranopia (green-blind)

#BABFCE

Tritanopia (blue-blind)

#00DED5

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51d9cd;
/* rgb */ color: rgb(81, 217, 205);
/* oklch */ color: oklch(80.9% 0.118 186.9);

Tailwind

colors: {
  custom: {
    50: '#91e5dc',
    500: '#51d9cd',
    950: '#000000',
  },
}

SCSS

$custom: #51d9cd;
$custom-light: #91e5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#51d9cd",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 205
  },
  "hsl": {
    "h": 174.706,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.80867,
    "c": 0.11813,
    "h": 186.9
  },
  "luminance": 0.55783
}

Semantic roles & 50–950 ramp

primary

#51D9CD

secondary

#953941

accent

#414FE7

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #51D9CD

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

Preview Lab → · Contrast checker → · Palette generator →