#51BFB4#51BFB4

#51BFB4 is a light, moderate teal. Relative luminance 0.423; OKLCH L 73.8% C 0.102 H 186.3°. Best body text is #000000 at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#51BFB4
RGB	rgb(81, 191, 180)
HSL	hsl(174, 46%, 53%)
HSV	hsv(174, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 5.8%, 25.1%)
CIE-LAB	lab(71.08, -33.93, -3.90)
CIE-LCH	lch(71.08, 34.16, 186.55°)
OKLab	oklab(73.82% -0.1009 -0.0111)
OKLCH	oklch(73.82% 0.102 186.3)
XYZ	xyz(30.2587, 42.3032, 49.7419)
Luminance	0.4231 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFB4 #BF515C

analogous

#51BF7D #51BFB4 #5193BF

triadic

#51BFB4 #B451BF #BFB451

tetradic

#51BFB4 #7D51BF #BF515C #93BF51

square

#51BFB4 #7D51BF #BF515C #93BF51

split-complementary

#51BFB4 #BF5193 #BF7D51

monochromatic

#286D66 #399A90 #51BFB4 #7ECFC7 #AAE0DB

Accessibility & contrast

On white

2.22

#51BFB4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.46

#51BFB4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFB4

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFB4	#FFFFFF	#000000	##000000
##51BFB4	1.00	2.22	9.46	9.46
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.46	21.00	1.00	1.00
##000000	9.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6B5B4

Deuteranopia (green-blind)

#A5A9B5

Tritanopia (blue-blind)

#00C3BB

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #51bfb4;
/* rgb */ color: rgb(81, 191, 180);
/* oklch */ color: oklch(73.8% 0.102 186.3);

Tailwind

colors: {
  custom: {
    50: '#8dd3ca',
    500: '#51bfb4',
    950: '#000000',
  },
}

SCSS

$custom: #51bfb4;
$custom-light: #8dd3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfb4",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 180
  },
  "hsl": {
    "h": 174,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.73817,
    "c": 0.10155,
    "h": 186.3
  },
  "luminance": 0.42306
}

Semantic roles & 50–950 ramp

primary

#51BFB4

secondary

#CE9EA3

accent

#525FD6

background

#F9FCFC

surface

#F1F9F8

border

#CBD2D1

text

#0D1413

muted

#7E8282

Preview Lab

Preview with #51BFB4

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

Preview Lab → · Contrast checker → · Palette generator →