#51D5DD#51D5DD

#51D5DD is a light, moderate teal. Relative luminance 0.546; OKLCH L 80.5% C 0.114 H 200.8°. Best body text is #000000 at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#51D5DD
RGB	rgb(81, 213, 221)
HSL	hsl(183, 67%, 59%)
HSV	hsv(183, 63%, 87%)
CMYK	cmyk(63.3%, 3.6%, 0%, 13.3%)
CIE-LAB	lab(78.78, -33.13, -14.61)
CIE-LCH	lch(78.78, 36.21, 203.80°)
OKLab	oklab(80.45% -0.1064 -0.0405)
OKLCH	oklch(80.45% 0.114 200.8)
XYZ	xyz(40.2331, 54.5539, 76.8022)
Luminance	0.5456 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D5DD #DD5951

analogous

#51DD9F #51D5DD #518FDD

triadic

#51D5DD #DD51D5 #D5DD51

tetradic

#51D5DD #9F51DD #DD5951 #8FDD51

square

#51D5DD #9F51DD #DD5951 #8FDD51

split-complementary

#51D5DD #DD518F #DD9F51

monochromatic

#1D8F96 #27C0C9 #51D5DD #84E1E7 #B7EEF1

Accessibility & contrast

On white

1.76

#51D5DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.91

#51D5DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5DD

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D5DD	#FFFFFF	#000000	##000000
##51D5DD	1.00	1.76	11.91	11.91
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.91	21.00	1.00	1.00
##000000	11.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6CCDE

Deuteranopia (green-blind)

#B1BCDE

Tritanopia (blue-blind)

#00DDD7

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51d5dd;
/* rgb */ color: rgb(81, 213, 221);
/* oklch */ color: oklch(80.5% 0.114 200.8);

Tailwind

colors: {
  custom: {
    50: '#92e2e7',
    500: '#51d5dd',
    950: '#000000',
  },
}

SCSS

$custom: #51d5dd;
$custom-light: #92e2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#51d5dd",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 221
  },
  "hsl": {
    "h": 183.429,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.80452,
    "c": 0.11386,
    "h": 200.8
  },
  "luminance": 0.54558
}

Semantic roles & 50–950 ramp

primary

#51D5DD

secondary

#9B3D38

accent

#473EEA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D5DD

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

Preview Lab → · Contrast checker → · Palette generator →