#51D9DD#51D9DD

#51D9DD is a light, moderate teal. Relative luminance 0.566; OKLCH L 81.4% C 0.116 H 197.9°. Best body text is #000000 at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#51D9DD
RGB	rgb(81, 217, 221)
HSL	hsl(182, 67%, 59%)
HSV	hsv(182, 63%, 87%)
CMYK	cmyk(63.3%, 1.8%, 0%, 13.3%)
CIE-LAB	lab(79.95, -35.01, -12.87)
CIE-LCH	lch(79.95, 37.30, 200.18°)
OKLab	oklab(81.39% -0.1104 -0.0357)
OKLCH	oklch(81.39% 0.116 197.9)
XYZ	xyz(41.2516, 56.5910, 77.1417)
Luminance	0.5659 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D9DD #DD5551

analogous

#51DD9B #51D9DD #5193DD

triadic

#51D9DD #DD51D9 #D9DD51

tetradic

#51D9DD #9B51DD #DD5551 #93DD51

square

#51D9DD #9B51DD #DD5551 #93DD51

split-complementary

#51D9DD #DD5193 #DD9B51

monochromatic

#1D9396 #27C5C9 #51D9DD #84E4E7 #B7EFF1

Accessibility & contrast

On white

1.70

#51D9DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.32

#51D9DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D9DD

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D9DD	#FFFFFF	#000000	##000000
##51D9DD	1.00	1.70	12.32	12.32
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.32	21.00	1.00	1.00
##000000	12.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBCFDE

Deuteranopia (green-blind)

#B5BFDE

Tritanopia (blue-blind)

#00E0DA

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51d9dd;
/* rgb */ color: rgb(81, 217, 221);
/* oklch */ color: oklch(81.4% 0.116 197.9);

Tailwind

colors: {
  custom: {
    50: '#92e5e7',
    500: '#51d9dd',
    950: '#000000',
  },
}

SCSS

$custom: #51d9dd;
$custom-light: #92e5e7;
$custom-dark: #000000;

JSON

{
  "hex": "#51d9dd",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 221
  },
  "hsl": {
    "h": 181.714,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.81394,
    "c": 0.11607,
    "h": 197.9
  },
  "luminance": 0.56595
}

Semantic roles & 50–950 ramp

primary

#51D9DD

secondary

#9B3A38

accent

#433EEA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #51D9DD

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

Preview Lab → · Contrast checker → · Palette generator →