#51D4DC#51D4DC

#51D4DC is a light, moderate teal. Relative luminance 0.540; OKLCH L 80.2% C 0.113 H 200.9°. Best body text is #000000 at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#51D4DC
RGB	rgb(81, 212, 220)
HSL	hsl(183, 67%, 59%)
HSV	hsv(183, 63%, 86%)
CMYK	cmyk(63.2%, 3.6%, 0%, 13.7%)
CIE-LAB	lab(78.46, -32.94, -14.56)
CIE-LCH	lch(78.46, 36.01, 203.85°)
OKLab	oklab(80.18% -0.1058 -0.0403)
OKLCH	oklch(80.18% 0.113 200.9)
XYZ	xyz(39.8495, 53.9993, 76.0190)
Luminance	0.5400 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D4DC #DC5951

analogous

#51DC9F #51D4DC #518FDC

triadic

#51D4DC #DC51D4 #D4DC51

tetradic

#51D4DC #9F51DC #DC5951 #8FDC51

square

#51D4DC #9F51DC #DC5951 #8FDC51

split-complementary

#51D4DC #DC518F #DC9F51

monochromatic

#1E8E95 #28BEC8 #51D4DC #84E1E6 #B7EDF0

Accessibility & contrast

On white

1.78

#51D4DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.80

#51D4DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4DC

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D4DC	#FFFFFF	#000000	##000000
##51D4DC	1.00	1.78	11.80	11.80
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.80	21.00	1.00	1.00
##000000	11.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5CBDD

Deuteranopia (green-blind)

#B0BBDD

Tritanopia (blue-blind)

#00DBD6

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d4dc;
/* rgb */ color: rgb(81, 212, 220);
/* oklch */ color: oklch(80.2% 0.113 200.9);

Tailwind

colors: {
  custom: {
    50: '#92e1e6',
    500: '#51d4dc',
    950: '#000000',
  },
}

SCSS

$custom: #51d4dc;
$custom-light: #92e1e6;
$custom-dark: #000000;

JSON

{
  "hex": "#51d4dc",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 220
  },
  "hsl": {
    "h": 183.453,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.80181,
    "c": 0.11324,
    "h": 200.9
  },
  "luminance": 0.54004
}

Semantic roles & 50–950 ramp

primary

#51D4DC

secondary

#993E38

accent

#483EE9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D4DC

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

Preview Lab → · Contrast checker → · Palette generator →