#51D3DA#51D3DA

#51D3DA is a light, moderate teal. Relative luminance 0.534; OKLCH L 79.9% C 0.113 H 200.2°. Best body text is #000000 at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#51D3DA
RGB	rgb(81, 211, 218)
HSL	hsl(183, 65%, 59%)
HSV	hsv(183, 63%, 85%)
CMYK	cmyk(62.8%, 3.2%, 0%, 14.5%)
CIE-LAB	lab(78.11, -33.03, -14.02)
CIE-LCH	lch(78.11, 35.88, 203.00°)
OKLab	oklab(79.88% -0.1056 -0.0388)
OKLCH	oklch(79.88% 0.113 200.2)
XYZ	xyz(39.3370, 53.3956, 74.5493)
Luminance	0.5340 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D3DA #DA5851

analogous

#51DA9C #51D3DA #518EDA

triadic

#51D3DA #DA51D3 #D3DA51

tetradic

#51D3DA #9C51DA #DA5851 #8EDA51

square

#51D3DA #9C51DA #DA5851 #8EDA51

split-complementary

#51D3DA #DA518E #DA9C51

monochromatic

#1F8C92 #2ABCC4 #51D3DA #83E0E5 #B6EDEF

Accessibility & contrast

On white

1.80

#51D3DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.68

#51D3DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D3DA

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D3DA	#FFFFFF	#000000	##000000
##51D3DA	1.00	1.80	11.68	11.68
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.68	21.00	1.00	1.00
##000000	11.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4CADB

Deuteranopia (green-blind)

#AFBBDB

Tritanopia (blue-blind)

#00DAD5

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d3da;
/* rgb */ color: rgb(81, 211, 218);
/* oklch */ color: oklch(79.9% 0.113 200.2);

Tailwind

colors: {
  custom: {
    50: '#91e1e5',
    500: '#51d3da',
    950: '#000000',
  },
}

SCSS

$custom: #51d3da;
$custom-light: #91e1e5;
$custom-dark: #000000;

JSON

{
  "hex": "#51d3da",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 218
  },
  "hsl": {
    "h": 183.066,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.79875,
    "c": 0.11254,
    "h": 200.2
  },
  "luminance": 0.534
}

Semantic roles & 50–950 ramp

primary

#51D3DA

secondary

#973D39

accent

#4840E8

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D3DA

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

Preview Lab → · Contrast checker → · Palette generator →