#51BFC4#51BFC4

#51BFC4 is a light, moderate teal. Relative luminance 0.430; OKLCH L 74.4% C 0.100 H 199.4°. Best body text is #000000 at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#51BFC4
RGB	rgb(81, 191, 196)
HSL	hsl(183, 49%, 54%)
HSV	hsv(183, 59%, 77%)
CMYK	cmyk(58.7%, 2.6%, 0%, 23.1%)
CIE-LAB	lab(71.55, -29.60, -11.94)
CIE-LCH	lch(71.55, 31.91, 201.98°)
OKLab	oklab(74.35% -0.094 -0.0331)
OKLCH	oklch(74.35% 0.1 199.4)
XYZ	xyz(31.9837, 42.9932, 58.8268)
Luminance	0.4300 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFC4 #C45651

analogous

#51C490 #51BFC4 #5186C4

triadic

#51BFC4 #C451BF #BFC451

tetradic

#51BFC4 #9051C4 #C45651 #86C451

square

#51BFC4 #9051C4 #C45651 #86C451

split-complementary

#51BFC4 #C45186 #C49051

monochromatic

#277073 #379DA1 #51BFC4 #7FD0D3 #ACE1E3

Accessibility & contrast

On white

2.19

#51BFC4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.60

#51BFC4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFC4

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFC4	#FFFFFF	#000000	##000000
##51BFC4	1.00	2.19	9.60	9.60
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.60	21.00	1.00	1.00
##000000	9.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2B7C5

Deuteranopia (green-blind)

#A0AAC5

Tritanopia (blue-blind)

#00C5C0

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51bfc4;
/* rgb */ color: rgb(81, 191, 196);
/* oklch */ color: oklch(74.4% 0.100 199.4);

Tailwind

colors: {
  custom: {
    50: '#8ed2d5',
    500: '#51bfc4',
    950: '#000000',
  },
}

SCSS

$custom: #51bfc4;
$custom-light: #8ed2d5;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfc4",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 196
  },
  "hsl": {
    "h": 182.609,
    "s": 49.356,
    "l": 54.314
  },
  "oklch": {
    "l": 0.74354,
    "c": 0.09966,
    "h": 199.4
  },
  "luminance": 0.42996
}

Semantic roles & 50–950 ramp

primary

#51BFC4

secondary

#D1A2A0

accent

#554FD9

background

#F9FCFD

surface

#F2F9FA

border

#CCD2D3

text

#0D1414

muted

#7E8283

Preview Lab

Preview with #51BFC4

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

Preview Lab → · Contrast checker → · Palette generator →