#51D5DC#51D5DC

#51D5DC is a light, moderate teal. Relative luminance 0.545; OKLCH L 80.4% C 0.114 H 200.1°. Best body text is #000000 at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#51D5DC
RGB	rgb(81, 213, 220)
HSL	hsl(183, 67%, 59%)
HSV	hsv(183, 63%, 86%)
CMYK	cmyk(63.2%, 3.2%, 0%, 13.7%)
CIE-LAB	lab(78.75, -33.41, -14.12)
CIE-LCH	lch(78.75, 36.27, 202.92°)
OKLab	oklab(80.42% -0.1068 -0.0391)
OKLCH	oklch(80.42% 0.114 200.1)
XYZ	xyz(40.1003, 54.5008, 76.1026)
Luminance	0.5451 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D5DC #DC5851

analogous

#51DC9E #51D5DC #5190DC

triadic

#51D5DC #DC51D5 #D5DC51

tetradic

#51D5DC #9E51DC #DC5851 #90DC51

square

#51D5DC #9E51DC #DC5851 #90DC51

split-complementary

#51D5DC #DC5190 #DC9E51

monochromatic

#1E8F95 #28C0C8 #51D5DC #84E1E6 #B7EEF0

Accessibility & contrast

On white

1.76

#51D5DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.90

#51D5DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5DC

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D5DC	#FFFFFF	#000000	##000000
##51D5DC	1.00	1.76	11.90	11.90
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.90	21.00	1.00	1.00
##000000	11.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6CCDD

Deuteranopia (green-blind)

#B1BCDD

Tritanopia (blue-blind)

#00DCD7

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51d5dc;
/* rgb */ color: rgb(81, 213, 220);
/* oklch */ color: oklch(80.4% 0.114 200.1);

Tailwind

colors: {
  custom: {
    50: '#92e2e6',
    500: '#51d5dc',
    950: '#000000',
  },
}

SCSS

$custom: #51d5dc;
$custom-light: #92e2e6;
$custom-dark: #000000;

JSON

{
  "hex": "#51d5dc",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 220
  },
  "hsl": {
    "h": 183.022,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.80417,
    "c": 0.11376,
    "h": 200.1
  },
  "luminance": 0.54505
}

Semantic roles & 50–950 ramp

primary

#51D5DC

secondary

#993D38

accent

#473EE9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D5DC

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

Preview Lab → · Contrast checker → · Palette generator →