#51DDDB#51DDDB

#51DDDB is a very light, moderate teal. Relative luminance 0.586; OKLCH L 82.3% C 0.119 H 193.7°. Best body text is #000000 at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#51DDDB
RGB	rgb(81, 221, 219)
HSL	hsl(179, 67%, 59%)
HSV	hsv(179, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 0.9%, 13.3%)
CIE-LAB	lab(81.06, -37.41, -10.15)
CIE-LCH	lch(81.06, 38.77, 195.17°)
OKLab	oklab(82.27% -0.1153 -0.0282)
OKLCH	oklch(82.27% 0.119 193.7)
XYZ	xyz(42.0303, 58.5721, 76.0946)
Luminance	0.5858 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDDB #DD5153

analogous

#51DD95 #51DDDB #5199DD

triadic

#51DDDB #DB51DD #DDDB51

tetradic

#51DDDB #9551DD #DD5153 #99DD51

square

#51DDDB #9551DD #DD5153 #99DD51

split-complementary

#51DDDB #DD5199 #DD9551

monochromatic

#1D9695 #27C9C7 #51DDDB #84E7E6 #B7F1F0

Accessibility & contrast

On white

1.65

#51DDDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.72

#51DDDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDDB

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDDB	#FFFFFF	#000000	##000000
##51DDDB	1.00	1.65	12.72	12.72
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.72	21.00	1.00	1.00
##000000	12.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0D3DB

Deuteranopia (green-blind)

#BAC3DC

Tritanopia (blue-blind)

#00E3DC

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51dddb;
/* rgb */ color: rgb(81, 221, 219);
/* oklch */ color: oklch(82.3% 0.119 193.7);

Tailwind

colors: {
  custom: {
    50: '#93e8e6',
    500: '#51dddb',
    950: '#000000',
  },
}

SCSS

$custom: #51dddb;
$custom-light: #93e8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#51dddb",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 219
  },
  "hsl": {
    "h": 179.143,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.8227,
    "c": 0.11872,
    "h": 193.7
  },
  "luminance": 0.58577
}

Semantic roles & 50–950 ramp

primary

#51DDDB

secondary

#9B3839

accent

#3E40EA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #51DDDB

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

Preview Lab → · Contrast checker → · Palette generator →