#51D9D8#51D9D8

#51D9D8 is a light, moderate teal. Relative luminance 0.563; OKLCH L 81.2% C 0.116 H 194.4°. Best body text is #000000 at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#51D9D8
RGB	rgb(81, 217, 216)
HSL	hsl(180, 64%, 58%)
HSV	hsv(180, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 0.5%, 14.9%)
CIE-LAB	lab(79.80, -36.39, -10.42)
CIE-LCH	lch(79.80, 37.85, 195.98°)
OKLab	oklab(81.22% -0.1125 -0.0289)
OKLCH	oklch(81.22% 0.116 194.4)
XYZ	xyz(40.5954, 56.3285, 73.6855)
Luminance	0.5633 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D9D8 #D95152

analogous

#51D994 #51D9D8 #5196D9

triadic

#51D9D8 #D851D9 #D9D851

tetradic

#51D9D8 #9451D9 #D95152 #96D951

square

#51D9D8 #9451D9 #D95152 #96D951

split-complementary

#51D9D8 #D95196 #D99451

monochromatic

#1F908F #2AC2C1 #51D9D8 #83E4E3 #B5EFEF

Accessibility & contrast

On white

1.71

#51D9D8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.27

#51D9D8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D9D8

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D9D8	#FFFFFF	#000000	##000000
##51D9D8	1.00	1.71	12.27	12.27
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.27	21.00	1.00	1.00
##000000	12.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCCFD8

Deuteranopia (green-blind)

#B7BFD9

Tritanopia (blue-blind)

#00DFD8

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51d9d8;
/* rgb */ color: rgb(81, 217, 216);
/* oklch */ color: oklch(81.2% 0.116 194.4);

Tailwind

colors: {
  custom: {
    50: '#92e5e4',
    500: '#51d9d8',
    950: '#000000',
  },
}

SCSS

$custom: #51d9d8;
$custom-light: #92e5e4;
$custom-dark: #000000;

JSON

{
  "hex": "#51d9d8",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 216
  },
  "hsl": {
    "h": 179.559,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.81224,
    "c": 0.11621,
    "h": 194.4
  },
  "luminance": 0.56333
}

Semantic roles & 50–950 ramp

primary

#51D9D8

secondary

#953939

accent

#4142E7

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #51D9D8

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

Preview Lab → · Contrast checker → · Palette generator →