#51D3BF#51D3BF

#51D3BF is a light, moderate teal. Relative luminance 0.521; OKLCH L 79.0% C 0.117 H 181.2°. Best body text is #000000 at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#51D3BF
RGB	rgb(81, 211, 191)
HSL	hsl(171, 60%, 57%)
HSV	hsv(171, 62%, 83%)
CMYK	cmyk(61.6%, 0%, 9.5%, 17.3%)
CIE-LAB	lab(77.34, -40.26, -0.67)
CIE-LCH	lch(77.34, 40.27, 180.95°)
OKLab	oklab(79% -0.1173 -0.0025)
OKLCH	oklch(79% 0.117 181.2)
XYZ	xyz(36.0872, 52.0956, 57.4337)
Luminance	0.5210 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D3BF #D35165

analogous

#51D37E #51D3BF #51A6D3

triadic

#51D3BF #BF51D3 #D3BF51

tetradic

#51D3BF #7E51D3 #D35165 #A6D351

square

#51D3BF #7E51D3 #D35165 #A6D351

split-complementary

#51D3BF #D351A6 #D37E51

monochromatic

#228778 #2FB8A3 #51D3BF #82DFD1 #B3ECE3

Accessibility & contrast

On white

1.84

#51D3BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.42

#51D3BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D3BF

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D3BF	#FFFFFF	#000000	##000000
##51D3BF	1.00	1.84	11.42	11.42
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.42	21.00	1.00	1.00
##000000	11.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAC7BE

Deuteranopia (green-blind)

#B7B9C1

Tritanopia (blue-blind)

#00D7CD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d3bf;
/* rgb */ color: rgb(81, 211, 191);
/* oklch */ color: oklch(79.0% 0.117 181.2);

Tailwind

colors: {
  custom: {
    50: '#90e1d2',
    500: '#51d3bf',
    950: '#000000',
  },
}

SCSS

$custom: #51d3bf;
$custom-light: #90e1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#51d3bf",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 191
  },
  "hsl": {
    "h": 170.769,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.78996,
    "c": 0.11729,
    "h": 181.2
  },
  "luminance": 0.52099
}

Semantic roles & 50–950 ramp

primary

#51D3BF

secondary

#8E3A47

accent

#455DE3

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1514

muted

#7F8483

Preview Lab

Preview with #51D3BF

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

Preview Lab → · Contrast checker → · Palette generator →