#51DADB#51DADB

#51DADB is a light, moderate teal. Relative luminance 0.570; OKLCH L 81.6% C 0.117 H 195.8°. Best body text is #000000 at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#51DADB
RGB	rgb(81, 218, 219)
HSL	hsl(180, 66%, 59%)
HSV	hsv(180, 63%, 86%)
CMYK	cmyk(63%, 0.5%, 0%, 14.1%)
CIE-LAB	lab(80.18, -36.03, -11.45)
CIE-LCH	lch(80.18, 37.81, 197.63°)
OKLab	oklab(81.56% -0.1123 -0.0318)
OKLCH	oklch(81.56% 0.117 195.8)
XYZ	xyz(41.2453, 57.0021, 75.8329)
Luminance	0.5701 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DADB #DB5251

analogous

#51DB97 #51DADB #5195DB

triadic

#51DADB #DB51DA #DADB51

tetradic

#51DADB #9751DB #DB5251 #95DB51

square

#51DADB #9751DB #DB5251 #95DB51

split-complementary

#51DADB #DB5195 #DB9751

monochromatic

#1E9293 #29C5C6 #51DADB #84E5E5 #B6F0F0

Accessibility & contrast

On white

1.69

#51DADB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.40

#51DADB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DADB

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DADB	#FFFFFF	#000000	##000000
##51DADB	1.00	1.69	12.40	12.40
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.40	21.00	1.00	1.00
##000000	12.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCD0DB

Deuteranopia (green-blind)

#B7C0DC

Tritanopia (blue-blind)

#00E1DA

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #51dadb;
/* rgb */ color: rgb(81, 218, 219);
/* oklch */ color: oklch(81.6% 0.117 195.8);

Tailwind

colors: {
  custom: {
    50: '#92e6e6',
    500: '#51dadb',
    950: '#000000',
  },
}

SCSS

$custom: #51dadb;
$custom-light: #92e6e6;
$custom-dark: #000000;

JSON

{
  "hex": "#51dadb",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 219
  },
  "hsl": {
    "h": 180.435,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.81562,
    "c": 0.11671,
    "h": 195.8
  },
  "luminance": 0.57007
}

Semantic roles & 50–950 ramp

primary

#51DADB

secondary

#983938

accent

#403FE9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #51DADB

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

Preview Lab → · Contrast checker → · Palette generator →