#51DDCB#51DDCB

#51DDCB is a light, vivid teal. Relative luminance 0.578; OKLCH L 81.8% C 0.122 H 183.2°. Best body text is #000000 at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#51DDCB
RGB	rgb(81, 221, 203)
HSL	hsl(172, 67%, 59%)
HSV	hsv(172, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 8.1%, 13.3%)
CIE-LAB	lab(80.61, -41.65, -2.29)
CIE-LCH	lch(80.61, 41.72, 183.14°)
OKLab	oklab(81.76% -0.1222 -0.0068)
OKLCH	oklch(81.76% 0.122 183.2)
XYZ	xyz(40.0243, 57.7697, 65.5297)
Luminance	0.5777 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDCB #DD5163

analogous

#51DD85 #51DDCB #51A9DD

triadic

#51DDCB #CB51DD #DDCB51

tetradic

#51DDCB #8551DD #DD5163 #A9DD51

square

#51DDCB #8551DD #DD5163 #A9DD51

split-complementary

#51DDCB #DD51A9 #DD8551

monochromatic

#1D9687 #27C9B5 #51DDCB #84E7DA #B7F1EA

Accessibility & contrast

On white

1.67

#51DDCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.55

#51DDCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDCB

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDCB	#FFFFFF	#000000	##000000
##51DDCB	1.00	1.67	12.55	12.55
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.55	21.00	1.00	1.00
##000000	12.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3D1CA

Deuteranopia (green-blind)

#BEC2CD

Tritanopia (blue-blind)

#00E1D7

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51ddcb;
/* rgb */ color: rgb(81, 221, 203);
/* oklch */ color: oklch(81.8% 0.122 183.2);

Tailwind

colors: {
  custom: {
    50: '#91e8da',
    500: '#51ddcb',
    950: '#000000',
  },
}

SCSS

$custom: #51ddcb;
$custom-light: #91e8da;
$custom-dark: #000000;

JSON

{
  "hex": "#51ddcb",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 203
  },
  "hsl": {
    "h": 172.286,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.81761,
    "c": 0.12242,
    "h": 183.2
  },
  "luminance": 0.57774
}

Semantic roles & 50–950 ramp

primary

#51DDCB

secondary

#9B3844

accent

#3E54EA

background

#FCFEFE

surface

#F5FDFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #51DDCB

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

Preview Lab → · Contrast checker → · Palette generator →