#51D0DD#51D0DD

#51D0DD is a light, moderate teal. Relative luminance 0.521; OKLCH L 79.3% C 0.112 H 204.7°. Best body text is #000000 at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#51D0DD
RGB	rgb(81, 208, 221)
HSL	hsl(186, 67%, 59%)
HSV	hsv(186, 63%, 87%)
CMYK	cmyk(63.3%, 5.9%, 0%, 13.3%)
CIE-LAB	lab(77.33, -30.74, -16.81)
CIE-LCH	lch(77.33, 35.04, 208.66°)
OKLab	oklab(79.28% -0.1013 -0.0466)
OKLCH	oklch(79.28% 0.112 204.7)
XYZ	xyz(38.9948, 52.0773, 76.3894)
Luminance	0.5208 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D0DD #DD5E51

analogous

#51DDA4 #51D0DD #518ADD

triadic

#51D0DD #DD51D0 #D0DD51

tetradic

#51D0DD #A451DD #DD5E51 #8ADD51

square

#51D0DD #A451DD #DD5E51 #8ADD51

split-complementary

#51D0DD #DD518A #DDA451

monochromatic

#1D8B96 #27BAC9 #51D0DD #84DEE7 #B7ECF1

Accessibility & contrast

On white

1.84

#51D0DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.42

#51D0DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D0DD

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D0DD	#FFFFFF	#000000	##000000
##51D0DD	1.00	1.84	11.42	11.42
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.42	21.00	1.00	1.00
##000000	11.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0C8DE

Deuteranopia (green-blind)

#ABB8DD

Tritanopia (blue-blind)

#00D8D4

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d0dd;
/* rgb */ color: rgb(81, 208, 221);
/* oklch */ color: oklch(79.3% 0.112 204.7);

Tailwind

colors: {
  custom: {
    50: '#91dee7',
    500: '#51d0dd',
    950: '#000000',
  },
}

SCSS

$custom: #51d0dd;
$custom-light: #91dee7;
$custom-dark: #000000;

JSON

{
  "hex": "#51d0dd",
  "rgb": {
    "r": 81,
    "g": 208,
    "b": 221
  },
  "hsl": {
    "h": 185.571,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.79276,
    "c": 0.11153,
    "h": 204.7
  },
  "luminance": 0.52082
}

Semantic roles & 50–950 ramp

primary

#51D0DD

secondary

#9B4138

accent

#4E3EEA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D0DD

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

Preview Lab → · Contrast checker → · Palette generator →