#51BEC4#51BEC4

#51BEC4 is a light, moderate teal. Relative luminance 0.426; OKLCH L 74.1% C 0.099 H 200.2°. Best body text is #000000 at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#51BEC4
RGB	rgb(81, 190, 196)
HSL	hsl(183, 49%, 54%)
HSV	hsv(183, 59%, 77%)
CMYK	cmyk(58.7%, 3.1%, 0%, 23.1%)
CIE-LAB	lab(71.25, -29.11, -12.39)
CIE-LCH	lch(71.25, 31.64, 203.05°)
OKLab	oklab(74.12% -0.093 -0.0343)
OKLCH	oklch(74.12% 0.099 200.2)
XYZ	xyz(31.7664, 42.5585, 58.7544)
Luminance	0.4256 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BEC4 #C45751

analogous

#51C490 #51BEC4 #5185C4

triadic

#51BEC4 #C451BE #BEC451

tetradic

#51BEC4 #9051C4 #C45751 #85C451

square

#51BEC4 #9051C4 #C45751 #85C451

split-complementary

#51BEC4 #C45185 #C49051

monochromatic

#276F73 #379CA1 #51BEC4 #7FCFD3 #ACE0E3

Accessibility & contrast

On white

2.21

#51BEC4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.51

#51BEC4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BEC4

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BEC4	#FFFFFF	#000000	##000000
##51BEC4	1.00	2.21	9.51	9.51
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.51	21.00	1.00	1.00
##000000	9.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1B6C5

Deuteranopia (green-blind)

#9FA9C5

Tritanopia (blue-blind)

#00C4C0

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #51bec4;
/* rgb */ color: rgb(81, 190, 196);
/* oklch */ color: oklch(74.1% 0.099 200.2);

Tailwind

colors: {
  custom: {
    50: '#8ed2d5',
    500: '#51bec4',
    950: '#000000',
  },
}

SCSS

$custom: #51bec4;
$custom-light: #8ed2d5;
$custom-dark: #000000;

JSON

{
  "hex": "#51bec4",
  "rgb": {
    "r": 81,
    "g": 190,
    "b": 196
  },
  "hsl": {
    "h": 183.13,
    "s": 49.356,
    "l": 54.314
  },
  "oklch": {
    "l": 0.74116,
    "c": 0.09908,
    "h": 200.2
  },
  "luminance": 0.42562
}

Semantic roles & 50–950 ramp

primary

#51BEC4

secondary

#D1A3A0

accent

#564FD9

background

#F9FCFD

surface

#F2F9FA

border

#CCD2D3

text

#0D1414

muted

#7E8283

Preview Lab

Preview with #51BEC4

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

Preview Lab → · Contrast checker → · Palette generator →