#51D4D8#51D4D8

#51D4D8 is a light, moderate teal. Relative luminance 0.538; OKLCH L 80.0% C 0.113 H 198.0°. Best body text is #000000 at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#51D4D8
RGB	rgb(81, 212, 216)
HSL	hsl(182, 63%, 58%)
HSV	hsv(182, 63%, 85%)
CMYK	cmyk(62.5%, 1.9%, 0%, 15.3%)
CIE-LAB	lab(78.34, -34.06, -12.60)
CIE-LCH	lch(78.34, 36.31, 200.31°)
OKLab	oklab(80.04% -0.1075 -0.0349)
OKLCH	oklch(80.04% 0.113 198)
XYZ	xyz(39.3261, 53.7899, 73.2624)
Luminance	0.5379 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D4D8 #D85551

analogous

#51D898 #51D4D8 #5190D8

triadic

#51D4D8 #D851D4 #D4D851

tetradic

#51D4D8 #9851D8 #D85551 #90D851

square

#51D4D8 #9851D8 #D85551 #90D851

split-complementary

#51D4D8 #D85190 #D89851

monochromatic

#208B8F #2BBCC1 #51D4D8 #83E0E3 #B5EDEE

Accessibility & contrast

On white

1.79

#51D4D8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.76

#51D4D8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4D8

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D4D8	#FFFFFF	#000000	##000000
##51D4D8	1.00	1.79	11.76	11.76
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.76	21.00	1.00	1.00
##000000	11.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6CBD9

Deuteranopia (green-blind)

#B1BBD9

Tritanopia (blue-blind)

#00DBD5

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d4d8;
/* rgb */ color: rgb(81, 212, 216);
/* oklch */ color: oklch(80.0% 0.113 198.0);

Tailwind

colors: {
  custom: {
    50: '#91e1e4',
    500: '#51d4d8',
    950: '#000000',
  },
}

SCSS

$custom: #51d4d8;
$custom-light: #91e1e4;
$custom-dark: #000000;

JSON

{
  "hex": "#51d4d8",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 216
  },
  "hsl": {
    "h": 181.778,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.80042,
    "c": 0.11301,
    "h": 198
  },
  "luminance": 0.53794
}

Semantic roles & 50–950 ramp

primary

#51D4D8

secondary

#943C39

accent

#4641E6

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D4D8

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

Preview Lab → · Contrast checker → · Palette generator →