#51D7DF#51D7DF

#51D7DF is a light, moderate teal. Relative luminance 0.557; OKLCH L 81.0% C 0.115 H 200.8°. Best body text is #000000 at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#51D7DF
RGB	rgb(81, 215, 223)
HSL	hsl(183, 69%, 60%)
HSV	hsv(183, 64%, 87%)
CMYK	cmyk(63.7%, 3.6%, 0%, 12.5%)
CIE-LAB	lab(79.43, -33.51, -14.72)
CIE-LCH	lch(79.43, 36.60, 203.71°)
OKLab	oklab(80.99% -0.1076 -0.0408)
OKLCH	oklch(80.99% 0.115 200.8)
XYZ	xyz(41.0073, 55.6734, 78.3826)
Luminance	0.5568 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D7DF #DF5951

analogous

#51DFA0 #51D7DF #5190DF

triadic

#51D7DF #DF51D7 #D7DF51

tetradic

#51D7DF #A051DF #DF5951 #90DF51

square

#51D7DF #A051DF #DF5951 #90DF51

split-complementary

#51D7DF #DF5190 #DFA051

monochromatic

#1C9299 #26C4CD #51D7DF #85E3E9 #B8EFF2

Accessibility & contrast

On white

1.73

#51D7DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.14

#51D7DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D7DF

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D7DF	#FFFFFF	#000000	##000000
##51D7DF	1.00	1.73	12.14	12.14
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.14	21.00	1.00	1.00
##000000	12.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8CEE0

Deuteranopia (green-blind)

#B2BEE0

Tritanopia (blue-blind)

#00DFD9

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51d7df;
/* rgb */ color: rgb(81, 215, 223);
/* oklch */ color: oklch(81.0% 0.115 200.8);

Tailwind

colors: {
  custom: {
    50: '#92e3e9',
    500: '#51d7df',
    950: '#000000',
  },
}

SCSS

$custom: #51d7df;
$custom-light: #92e3e9;
$custom-dark: #000000;

JSON

{
  "hex": "#51d7df",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 223
  },
  "hsl": {
    "h": 183.38,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.80993,
    "c": 0.11507,
    "h": 200.8
  },
  "luminance": 0.55678
}

Semantic roles & 50–950 ramp

primary

#51D7DF

secondary

#9D3D37

accent

#463CEC

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D7DF

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

Preview Lab → · Contrast checker → · Palette generator →