#51CDDB#51CDDB

#51CDDB is a light, moderate teal. Relative luminance 0.505; OKLCH L 78.5% C 0.110 H 205.6°. Best body text is #000000 at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#51CDDB
RGB	rgb(81, 205, 219)
HSL	hsl(186, 66%, 59%)
HSV	hsv(186, 63%, 86%)
CMYK	cmyk(63%, 6.4%, 0%, 14.1%)
CIE-LAB	lab(76.39, -29.87, -17.14)
CIE-LCH	lch(76.39, 34.44, 209.86°)
OKLab	oklab(78.5% -0.0991 -0.0475)
OKLCH	oklch(78.5% 0.11 205.6)
XYZ	xyz(38.0054, 50.5224, 74.7529)
Luminance	0.5053 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CDDB #DB5F51

analogous

#51DBA4 #51CDDB #5188DB

triadic

#51CDDB #DB51CD #CDDB51

tetradic

#51CDDB #A451DB #DB5F51 #88DB51

square

#51CDDB #A451DB #DB5F51 #88DB51

split-complementary

#51CDDB #DB5188 #DBA451

monochromatic

#1E8793 #29B6C6 #51CDDB #84DCE5 #B6EAF0

Accessibility & contrast

On white

1.89

#51CDDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.11

#51CDDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CDDB

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CDDB	#FFFFFF	#000000	##000000
##51CDDB	1.00	1.89	11.11	11.11
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.11	21.00	1.00	1.00
##000000	11.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDC5DC

Deuteranopia (green-blind)

#A8B6DB

Tritanopia (blue-blind)

#00D5D1

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #51cddb;
/* rgb */ color: rgb(81, 205, 219);
/* oklch */ color: oklch(78.5% 0.110 205.6);

Tailwind

colors: {
  custom: {
    50: '#91dce6',
    500: '#51cddb',
    950: '#000000',
  },
}

SCSS

$custom: #51cddb;
$custom-light: #91dce6;
$custom-dark: #000000;

JSON

{
  "hex": "#51cddb",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 219
  },
  "hsl": {
    "h": 186.087,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.78498,
    "c": 0.1099,
    "h": 205.6
  },
  "luminance": 0.50526
}

Semantic roles & 50–950 ramp

primary

#51CDDB

secondary

#984238

accent

#503FE9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51CDDB

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

Preview Lab → · Contrast checker → · Palette generator →