#51CDDD#51CDDD

#51CDDD is a light, moderate teal. Relative luminance 0.506; OKLCH L 78.6% C 0.110 H 207.1°. Best body text is #000000 at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#51CDDD
RGB	rgb(81, 205, 221)
HSL	hsl(187, 67%, 59%)
HSV	hsv(187, 63%, 87%)
CMYK	cmyk(63.3%, 7.2%, 0%, 13.3%)
CIE-LAB	lab(76.45, -29.29, -18.12)
CIE-LCH	lch(76.45, 34.45, 211.75°)
OKLab	oklab(78.57% -0.0983 -0.0503)
OKLCH	oklch(78.57% 0.11 207.1)
XYZ	xyz(38.2703, 50.6283, 76.1479)
Luminance	0.5063 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CDDD #DD6151

analogous

#51DDA7 #51CDDD #5187DD

triadic

#51CDDD #DD51CD #CDDD51

tetradic

#51CDDD #A751DD #DD6151 #87DD51

square

#51CDDD #A751DD #DD6151 #87DD51

split-complementary

#51CDDD #DD5187 #DDA751

monochromatic

#1D8896 #27B7C9 #51CDDD #84DCE7 #B7EAF1

Accessibility & contrast

On white

1.89

#51CDDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.13

#51CDDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CDDD

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CDDD	#FFFFFF	#000000	##000000
##51CDDD	1.00	1.89	11.13	11.13
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.13	21.00	1.00	1.00
##000000	11.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDC5DE

Deuteranopia (green-blind)

#A8B6DD

Tritanopia (blue-blind)

#00D5D2

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51cddd;
/* rgb */ color: rgb(81, 205, 221);
/* oklch */ color: oklch(78.6% 0.110 207.1);

Tailwind

colors: {
  custom: {
    50: '#91dce7',
    500: '#51cddd',
    950: '#000000',
  },
}

SCSS

$custom: #51cddd;
$custom-light: #91dce7;
$custom-dark: #000000;

JSON

{
  "hex": "#51cddd",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 221
  },
  "hsl": {
    "h": 186.857,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.78571,
    "c": 0.11039,
    "h": 207.1
  },
  "luminance": 0.50632
}

Semantic roles & 50–950 ramp

primary

#51CDDD

secondary

#9B4338

accent

#513EEA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51CDDD

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

Preview Lab → · Contrast checker → · Palette generator →