#51BFC0#51BFC0

#51BFC0 is a light, moderate teal. Relative luminance 0.428; OKLCH L 74.2% C 0.100 H 196.0°. Best body text is #000000 at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#51BFC0
RGB	rgb(81, 191, 192)
HSL	hsl(181, 47%, 54%)
HSV	hsv(181, 58%, 75%)
CMYK	cmyk(57.8%, 0.5%, 0%, 24.7%)
CIE-LAB	lab(71.43, -30.71, -9.94)
CIE-LCH	lch(71.43, 32.27, 197.94°)
OKLab	oklab(74.22% -0.0957 -0.0275)
OKLCH	oklch(74.22% 0.1 196)
XYZ	xyz(31.5345, 42.8135, 56.4609)
Luminance	0.4282 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFC0 #C05251

analogous

#51C089 #51BFC0 #5187C0

triadic

#51BFC0 #C051BF #BFC051

tetradic

#51BFC0 #8951C0 #C05251 #87C051

square

#51BFC0 #8951C0 #C05251 #87C051

split-complementary

#51BFC0 #C05187 #C08951

monochromatic

#286E6F #389B9B #51BFC0 #7ED0D0 #ABE0E1

Accessibility & contrast

On white

2.20

#51BFC0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.56

#51BFC0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFC0

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFC0	#FFFFFF	#000000	##000000
##51BFC0	1.00	2.20	9.56	9.56
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.56	21.00	1.00	1.00
##000000	9.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3B7C0

Deuteranopia (green-blind)

#A1A9C1

Tritanopia (blue-blind)

#00C5BF

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51bfc0;
/* rgb */ color: rgb(81, 191, 192);
/* oklch */ color: oklch(74.2% 0.100 196.0);

Tailwind

colors: {
  custom: {
    50: '#8dd2d3',
    500: '#51bfc0',
    950: '#000000',
  },
}

SCSS

$custom: #51bfc0;
$custom-light: #8dd2d3;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfc0",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 192
  },
  "hsl": {
    "h": 180.541,
    "s": 46.835,
    "l": 53.529
  },
  "oklch": {
    "l": 0.74215,
    "c": 0.09961,
    "h": 196
  },
  "luminance": 0.42817
}

Semantic roles & 50–950 ramp

primary

#51BFC0

secondary

#CE9F9F

accent

#5351D6

background

#F9FCFC

surface

#F2F9F9

border

#CCD2D2

text

#0D1414

muted

#7E8282

Preview Lab

Preview with #51BFC0

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

Preview Lab → · Contrast checker → · Palette generator →