#51DADD#51DADD

#51DADD is a light, moderate teal. Relative luminance 0.571; OKLCH L 81.6% C 0.117 H 197.2°. Best body text is #000000 at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#51DADD
RGB	rgb(81, 218, 221)
HSL	hsl(181, 67%, 59%)
HSV	hsv(181, 63%, 87%)
CMYK	cmyk(63.3%, 1.4%, 0%, 13.3%)
CIE-LAB	lab(80.24, -35.48, -12.43)
CIE-LCH	lch(80.24, 37.59, 199.31°)
OKLab	oklab(81.63% -0.1115 -0.0345)
OKLCH	oklch(81.63% 0.117 197.2)
XYZ	xyz(41.5102, 57.1080, 77.2279)
Luminance	0.5711 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DADD #DD5451

analogous

#51DD9A #51DADD #5194DD

triadic

#51DADD #DD51DA #DADD51

tetradic

#51DADD #9A51DD #DD5451 #94DD51

square

#51DADD #9A51DD #DD5451 #94DD51

split-complementary

#51DADD #DD5194 #DD9A51

monochromatic

#1D9496 #27C6C9 #51DADD #84E5E7 #B7F0F1

Accessibility & contrast

On white

1.69

#51DADD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.42

#51DADD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DADD

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DADD	#FFFFFF	#000000	##000000
##51DADD	1.00	1.69	12.42	12.42
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.42	21.00	1.00	1.00
##000000	12.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCD0DD

Deuteranopia (green-blind)

#B6C0DE

Tritanopia (blue-blind)

#00E1DB

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #51dadd;
/* rgb */ color: rgb(81, 218, 221);
/* oklch */ color: oklch(81.6% 0.117 197.2);

Tailwind

colors: {
  custom: {
    50: '#92e6e7',
    500: '#51dadd',
    950: '#000000',
  },
}

SCSS

$custom: #51dadd;
$custom-light: #92e6e7;
$custom-dark: #000000;

JSON

{
  "hex": "#51dadd",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 221
  },
  "hsl": {
    "h": 181.286,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.8163,
    "c": 0.11667,
    "h": 197.2
  },
  "luminance": 0.57113
}

Semantic roles & 50–950 ramp

primary

#51DADD

secondary

#9B3A38

accent

#413EEA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #51DADD

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

Preview Lab → · Contrast checker → · Palette generator →