#51DCBC#51DCBC

#51DCBC is a light, vivid teal. Relative luminance 0.566; OKLCH L 81.1% C 0.128 H 174.7°. Best body text is #000000 at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#51DCBC
RGB	rgb(81, 220, 188)
HSL	hsl(166, 67%, 59%)
HSV	hsv(166, 63%, 86%)
CMYK	cmyk(63.2%, 0%, 14.5%, 13.7%)
CIE-LAB	lab(79.93, -44.97, 4.71)
CIE-LCH	lch(79.93, 45.22, 174.03°)
OKLab	oklab(81.08% -0.1279 0.0118)
OKLCH	oklch(81.08% 0.128 174.7)
XYZ	xyz(38.0592, 56.5625, 56.4791)
Luminance	0.5657 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DCBC #DC5171

analogous

#51DC77 #51DCBC #51B7DC

triadic

#51DCBC #BC51DC #DCBC51

tetradic

#51DCBC #7751DC #DC5171 #B7DC51

square

#51DCBC #7751DC #DC5171 #B7DC51

split-complementary

#51DCBC #DC51B7 #DC7751

monochromatic

#1E9579 #28C8A3 #51DCBC #84E6D0 #B7F0E3

Accessibility & contrast

On white

1.71

#51DCBC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.31

#51DCBC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DCBC

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DCBC	#FFFFFF	#000000	##000000
##51DCBC	1.00	1.71	12.31	12.31
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.31	21.00	1.00	1.00
##000000	12.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5CFBB

Deuteranopia (green-blind)

#C1C0BE

Tritanopia (blue-blind)

#00DED3

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51dcbc;
/* rgb */ color: rgb(81, 220, 188);
/* oklch */ color: oklch(81.1% 0.128 174.7);

Tailwind

colors: {
  custom: {
    50: '#91e7d0',
    500: '#51dcbc',
    950: '#000000',
  },
}

SCSS

$custom: #51dcbc;
$custom-light: #91e7d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51dcbc",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 188
  },
  "hsl": {
    "h": 166.187,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.81083,
    "c": 0.12843,
    "h": 174.7
  },
  "luminance": 0.56567
}

Semantic roles & 50–950 ramp

primary

#51DCBC

secondary

#99384E

accent

#3E66E9

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #51DCBC

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

Preview Lab → · Contrast checker → · Palette generator →