#51D3DD#51D3DD

#51D3DD is a light, moderate teal. Relative luminance 0.536; OKLCH L 80.0% C 0.113 H 202.4°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#51D3DD
RGB	rgb(81, 211, 221)
HSL	hsl(184, 67%, 59%)
HSV	hsv(184, 63%, 87%)
CMYK	cmyk(63.3%, 4.5%, 0%, 13.3%)
CIE-LAB	lab(78.20, -32.18, -15.49)
CIE-LCH	lch(78.20, 35.71, 205.70°)
OKLab	oklab(79.98% -0.1044 -0.0429)
OKLCH	oklch(79.98% 0.113 202.4)
XYZ	xyz(39.7331, 53.5540, 76.6355)
Luminance	0.5356 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D3DD #DD5B51

analogous

#51DDA1 #51D3DD #518DDD

triadic

#51D3DD #DD51D3 #D3DD51

tetradic

#51D3DD #A151DD #DD5B51 #8DDD51

square

#51D3DD #A151DD #DD5B51 #8DDD51

split-complementary

#51D3DD #DD518D #DDA151

monochromatic

#1D8E96 #27BEC9 #51D3DD #84E0E7 #B7EDF1

Accessibility & contrast

On white

1.79

#51D3DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.71

#51D3DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D3DD

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D3DD	#FFFFFF	#000000	##000000
##51D3DD	1.00	1.79	11.71	11.71
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.71	21.00	1.00	1.00
##000000	11.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4CADE

Deuteranopia (green-blind)

#AFBBDE

Tritanopia (blue-blind)

#00DBD6

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d3dd;
/* rgb */ color: rgb(81, 211, 221);
/* oklch */ color: oklch(80.0% 0.113 202.4);

Tailwind

colors: {
  custom: {
    50: '#92e1e7',
    500: '#51d3dd',
    950: '#000000',
  },
}

SCSS

$custom: #51d3dd;
$custom-light: #92e1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#51d3dd",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 221
  },
  "hsl": {
    "h": 184.286,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.79981,
    "c": 0.11287,
    "h": 202.4
  },
  "luminance": 0.53558
}

Semantic roles & 50–950 ramp

primary

#51D3DD

secondary

#9B3F38

accent

#4A3EEA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D3DD

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

Preview Lab → · Contrast checker → · Palette generator →