#51CFDB#51CFDB

#51CFDB is a light, moderate teal. Relative luminance 0.515; OKLCH L 79.0% C 0.111 H 204.0°. Best body text is #000000 at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#51CFDB
RGB	rgb(81, 207, 219)
HSL	hsl(185, 66%, 59%)
HSV	hsv(185, 63%, 86%)
CMYK	cmyk(63%, 5.5%, 0%, 14.1%)
CIE-LAB	lab(76.97, -30.83, -16.27)
CIE-LCH	lch(76.97, 34.86, 207.81°)
OKLab	oklab(78.97% -0.1011 -0.0451)
OKLCH	oklch(78.97% 0.111 204)
XYZ	xyz(38.4869, 51.4853, 74.9134)
Luminance	0.5149 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CFDB #DB5D51

analogous

#51DBA2 #51CFDB #518ADB

triadic

#51CFDB #DB51CF #CFDB51

tetradic

#51CFDB #A251DB #DB5D51 #8ADB51

square

#51CFDB #A251DB #DB5D51 #8ADB51

split-complementary

#51CFDB #DB518A #DBA251

monochromatic

#1E8993 #29B8C6 #51CFDB #84DDE5 #B6EBF0

Accessibility & contrast

On white

1.86

#51CFDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.30

#51CFDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CFDB

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CFDB	#FFFFFF	#000000	##000000
##51CFDB	1.00	1.86	11.30	11.30
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.30	21.00	1.00	1.00
##000000	11.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0C7DC

Deuteranopia (green-blind)

#ABB7DC

Tritanopia (blue-blind)

#00D7D2

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51cfdb;
/* rgb */ color: rgb(81, 207, 219);
/* oklch */ color: oklch(79.0% 0.111 204.0);

Tailwind

colors: {
  custom: {
    50: '#91dee6',
    500: '#51cfdb',
    950: '#000000',
  },
}

SCSS

$custom: #51cfdb;
$custom-light: #91dee6;
$custom-dark: #000000;

JSON

{
  "hex": "#51cfdb",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 219
  },
  "hsl": {
    "h": 185.217,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.78968,
    "c": 0.11073,
    "h": 204
  },
  "luminance": 0.51489
}

Semantic roles & 50–950 ramp

primary

#51CFDB

secondary

#984138

accent

#4E3FE9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51CFDB

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

Preview Lab → · Contrast checker → · Palette generator →