#51B2BF#51B2BF

#51B2BF is a light, moderate teal. Relative luminance 0.374; OKLCH L 71.1% C 0.092 H 207.2°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#51B2BF
RGB	rgb(81, 178, 191)
HSL	hsl(187, 46%, 53%)
HSV	hsv(187, 58%, 75%)
CMYK	cmyk(57.6%, 6.8%, 0%, 25.1%)
CIE-LAB	lab(67.54, -24.58, -15.23)
CIE-LCH	lch(67.54, 28.92, 211.78°)
OKLab	oklab(71.07% -0.0821 -0.0421)
OKLCH	oklch(71.07% 0.092 207.2)
XYZ	xyz(28.7138, 37.3489, 54.9759)
Luminance	0.3735 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B2BF #BF5E51

analogous

#51BF95 #51B2BF #517BBF

triadic

#51B2BF #BF51B2 #B2BF51

tetradic

#51B2BF #9551BF #BF5E51 #7BBF51

square

#51B2BF #9551BF #BF5E51 #7BBF51

split-complementary

#51B2BF #BF517B #BF9551

monochromatic

#28656D #398F9A #51B2BF #7EC6CF #AADAE0

Accessibility & contrast

On white

2.48

#51B2BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.47

#51B2BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B2BF

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B2BF	#FFFFFF	#000000	##000000
##51B2BF	1.00	2.48	8.47	8.47
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.47	21.00	1.00	1.00
##000000	8.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5ACC0

Deuteranopia (green-blind)

#949FBF

Tritanopia (blue-blind)

#00B9B6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #51b2bf;
/* rgb */ color: rgb(81, 178, 191);
/* oklch */ color: oklch(71.1% 0.092 207.2);

Tailwind

colors: {
  custom: {
    50: '#8cc9d2',
    500: '#51b2bf',
    950: '#000000',
  },
}

SCSS

$custom: #51b2bf;
$custom-light: #8cc9d2;
$custom-dark: #000000;

JSON

{
  "hex": "#51b2bf",
  "rgb": {
    "r": 81,
    "g": 178,
    "b": 191
  },
  "hsl": {
    "h": 187.091,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.71069,
    "c": 0.09227,
    "h": 207.2
  },
  "luminance": 0.37352
}

Semantic roles & 50–950 ramp

primary

#51B2BF

secondary

#CEA49E

accent

#6252D6

background

#F9FCFC

surface

#F1F8F9

border

#CBD1D2

text

#0D1314

muted

#7E8282

Preview Lab

Preview with #51B2BF

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

Preview Lab → · Contrast checker → · Palette generator →