#51D3D8#51D3D8

#51D3D8 is a light, moderate teal. Relative luminance 0.533; OKLCH L 79.8% C 0.112 H 198.7°. Best body text is #000000 at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#51D3D8
RGB	rgb(81, 211, 216)
HSL	hsl(182, 63%, 58%)
HSV	hsv(182, 63%, 85%)
CMYK	cmyk(62.5%, 2.3%, 0%, 15.3%)
CIE-LAB	lab(78.05, -33.58, -13.04)
CIE-LCH	lch(78.05, 36.03, 201.22°)
OKLab	oklab(79.81% -0.1065 -0.0361)
OKLCH	oklch(79.81% 0.112 198.7)
XYZ	xyz(39.0769, 53.2915, 73.1793)
Luminance	0.5330 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D3D8 #D85651

analogous

#51D899 #51D3D8 #518FD8

triadic

#51D3D8 #D851D3 #D3D851

tetradic

#51D3D8 #9951D8 #D85651 #8FD851

square

#51D3D8 #9951D8 #D85651 #8FD851

split-complementary

#51D3D8 #D8518F #D89951

monochromatic

#208B8F #2BBBC1 #51D3D8 #83E0E3 #B5ECEE

Accessibility & contrast

On white

1.80

#51D3D8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.66

#51D3D8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D3D8

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D3D8	#FFFFFF	#000000	##000000
##51D3D8	1.00	1.80	11.66	11.66
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.66	21.00	1.00	1.00
##000000	11.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5CAD9

Deuteranopia (green-blind)

#B0BAD9

Tritanopia (blue-blind)

#00DAD4

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d3d8;
/* rgb */ color: rgb(81, 211, 216);
/* oklch */ color: oklch(79.8% 0.112 198.7);

Tailwind

colors: {
  custom: {
    50: '#91e1e4',
    500: '#51d3d8',
    950: '#000000',
  },
}

SCSS

$custom: #51d3d8;
$custom-light: #91e1e4;
$custom-dark: #000000;

JSON

{
  "hex": "#51d3d8",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 216
  },
  "hsl": {
    "h": 182.222,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.79805,
    "c": 0.11242,
    "h": 198.7
  },
  "luminance": 0.53296
}

Semantic roles & 50–950 ramp

primary

#51D3D8

secondary

#943C39

accent

#4741E6

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D3D8

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

Preview Lab → · Contrast checker → · Palette generator →