#51D2DD#51D2DD

#51D2DD is a light, moderate teal. Relative luminance 0.531; OKLCH L 79.7% C 0.112 H 203.1°. Best body text is #000000 at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#51D2DD
RGB	rgb(81, 210, 221)
HSL	hsl(185, 67%, 59%)
HSV	hsv(185, 63%, 87%)
CMYK	cmyk(63.3%, 5%, 0%, 13.3%)
CIE-LAB	lab(77.91, -31.70, -15.93)
CIE-LCH	lch(77.91, 35.48, 206.68°)
OKLab	oklab(79.75% -0.1034 -0.0441)
OKLCH	oklch(79.75% 0.112 203.1)
XYZ	xyz(39.4855, 53.0587, 76.5530)
Luminance	0.5306 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D2DD #DD5C51

analogous

#51DDA2 #51D2DD #518CDD

triadic

#51D2DD #DD51D2 #D2DD51

tetradic

#51D2DD #A251DD #DD5C51 #8CDD51

square

#51D2DD #A251DD #DD5C51 #8CDD51

split-complementary

#51D2DD #DD518C #DDA251

monochromatic

#1D8D96 #27BDC9 #51D2DD #84DFE7 #B7ECF1

Accessibility & contrast

On white

1.81

#51D2DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.61

#51D2DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D2DD

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D2DD	#FFFFFF	#000000	##000000
##51D2DD	1.00	1.81	11.61	11.61
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.61	21.00	1.00	1.00
##000000	11.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3CADE

Deuteranopia (green-blind)

#ADBADE

Tritanopia (blue-blind)

#00DAD5

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d2dd;
/* rgb */ color: rgb(81, 210, 221);
/* oklch */ color: oklch(79.7% 0.112 203.1);

Tailwind

colors: {
  custom: {
    50: '#92e0e7',
    500: '#51d2dd',
    950: '#000000',
  },
}

SCSS

$custom: #51d2dd;
$custom-light: #92e0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#51d2dd",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 221
  },
  "hsl": {
    "h": 184.714,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.79746,
    "c": 0.1124,
    "h": 203.1
  },
  "luminance": 0.53063
}

Semantic roles & 50–950 ramp

primary

#51D2DD

secondary

#9B3F38

accent

#4B3EEA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D2DD

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

Preview Lab → · Contrast checker → · Palette generator →