#51D9DC#51D9DC

#51D9DC is a light, moderate teal. Relative luminance 0.565; OKLCH L 81.4% C 0.116 H 197.2°. Best body text is #000000 at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#51D9DC
RGB	rgb(81, 217, 220)
HSL	hsl(181, 67%, 59%)
HSV	hsv(181, 63%, 86%)
CMYK	cmyk(63.2%, 1.4%, 0%, 13.7%)
CIE-LAB	lab(79.92, -35.29, -12.38)
CIE-LCH	lch(79.92, 37.40, 199.33°)
OKLab	oklab(81.36% -0.1109 -0.0343)
OKLCH	oklch(81.36% 0.116 197.2)
XYZ	xyz(41.1188, 56.5378, 76.4421)
Luminance	0.5654 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D9DC #DC5451

analogous

#51DC9A #51D9DC #5194DC

triadic

#51D9DC #DC51D9 #D9DC51

tetradic

#51D9DC #9A51DC #DC5451 #94DC51

square

#51D9DC #9A51DC #DC5451 #94DC51

split-complementary

#51D9DC #DC5194 #DC9A51

monochromatic

#1E9295 #28C4C8 #51D9DC #84E4E6 #B7EFF0

Accessibility & contrast

On white

1.71

#51D9DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.31

#51D9DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D9DC

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D9DC	#FFFFFF	#000000	##000000
##51D9DC	1.00	1.71	12.31	12.31
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.31	21.00	1.00	1.00
##000000	12.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBCFDC

Deuteranopia (green-blind)

#B5BFDD

Tritanopia (blue-blind)

#00E0DA

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51d9dc;
/* rgb */ color: rgb(81, 217, 220);
/* oklch */ color: oklch(81.4% 0.116 197.2);

Tailwind

colors: {
  custom: {
    50: '#92e5e6',
    500: '#51d9dc',
    950: '#000000',
  },
}

SCSS

$custom: #51d9dc;
$custom-light: #92e5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#51d9dc",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 220
  },
  "hsl": {
    "h": 181.295,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.8136,
    "c": 0.11606,
    "h": 197.2
  },
  "luminance": 0.56542
}

Semantic roles & 50–950 ramp

primary

#51D9DC

secondary

#993A38

accent

#423EE9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #51D9DC

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

Preview Lab → · Contrast checker → · Palette generator →