#51BFB3#51BFB3

#51BFB3 is a light, moderate teal. Relative luminance 0.423; OKLCH L 73.8% C 0.102 H 185.5°. Best body text is #000000 at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#51BFB3
RGB	rgb(81, 191, 179)
HSL	hsl(173, 46%, 53%)
HSV	hsv(173, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 6.3%, 25.1%)
CIE-LAB	lab(71.05, -34.20, -3.39)
CIE-LCH	lch(71.05, 34.36, 185.66°)
OKLab	oklab(73.79% -0.1014 -0.0097)
OKLCH	oklch(73.79% 0.102 185.5)
XYZ	xyz(30.1572, 42.2626, 49.2073)
Luminance	0.4227 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFB3 #BF515D

analogous

#51BF7C #51BFB3 #5194BF

triadic

#51BFB3 #B351BF #BFB351

tetradic

#51BFB3 #7C51BF #BF515D #94BF51

square

#51BFB3 #7C51BF #BF515D #94BF51

split-complementary

#51BFB3 #BF5194 #BF7C51

monochromatic

#286D66 #399A8F #51BFB3 #7ECFC7 #AAE0DA

Accessibility & contrast

On white

2.22

#51BFB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.45

#51BFB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFB3

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFB3	#FFFFFF	#000000	##000000
##51BFB3	1.00	2.22	9.45	9.45
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.45	21.00	1.00	1.00
##000000	9.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6B5B3

Deuteranopia (green-blind)

#A5A9B4

Tritanopia (blue-blind)

#00C3BB

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #51bfb3;
/* rgb */ color: rgb(81, 191, 179);
/* oklch */ color: oklch(73.8% 0.102 185.5);

Tailwind

colors: {
  custom: {
    50: '#8dd3c9',
    500: '#51bfb3',
    950: '#000000',
  },
}

SCSS

$custom: #51bfb3;
$custom-light: #8dd3c9;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfb3",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 179
  },
  "hsl": {
    "h": 173.455,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.73786,
    "c": 0.10186,
    "h": 185.5
  },
  "luminance": 0.42266
}

Semantic roles & 50–950 ramp

primary

#51BFB3

secondary

#CE9EA3

accent

#5260D6

background

#F9FCFC

surface

#F1F9F8

border

#CBD2D1

text

#0D1413

muted

#7E8282

Preview Lab

Preview with #51BFB3

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

Preview Lab → · Contrast checker → · Palette generator →