#51B8BE#51B8BE

#51B8BE is a light, moderate teal. Relative luminance 0.397; OKLCH L 72.5% C 0.095 H 200.5°. Best body text is #000000 at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#51B8BE
RGB	rgb(81, 184, 190)
HSL	hsl(183, 46%, 53%)
HSV	hsv(183, 57%, 75%)
CMYK	cmyk(57.4%, 3.2%, 0%, 25.5%)
CIE-LAB	lab(69.29, -27.85, -12.05)
CIE-LCH	lch(69.29, 30.35, 203.39°)
OKLab	oklab(72.47% -0.089 -0.0333)
OKLCH	oklch(72.47% 0.095 200.5)
XYZ	xyz(29.8242, 39.7450, 54.8050)
Luminance	0.3975 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B8BE #BE5751

analogous

#51BE8D #51B8BE #5181BE

triadic

#51B8BE #BE51B8 #B8BE51

tetradic

#51B8BE #8D51BE #BE5751 #81BE51

square

#51B8BE #8D51BE #BE5751 #81BE51

split-complementary

#51B8BE #BE5181 #BE8D51

monochromatic

#28686C #399399 #51B8BE #7ECACF #AADCDF

Accessibility & contrast

On white

2.35

#51B8BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.95

#51B8BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B8BE

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B8BE	#FFFFFF	#000000	##000000
##51B8BE	1.00	2.35	8.95	8.95
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.95	21.00	1.00	1.00
##000000	8.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB1BF

Deuteranopia (green-blind)

#9AA4BF

Tritanopia (blue-blind)

#00BEBA

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #51b8be;
/* rgb */ color: rgb(81, 184, 190);
/* oklch */ color: oklch(72.5% 0.095 200.5);

Tailwind

colors: {
  custom: {
    50: '#8dcdd1',
    500: '#51b8be',
    950: '#000000',
  },
}

SCSS

$custom: #51b8be;
$custom-light: #8dcdd1;
$custom-dark: #000000;

JSON

{
  "hex": "#51b8be",
  "rgb": {
    "r": 81,
    "g": 184,
    "b": 190
  },
  "hsl": {
    "h": 183.303,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.72467,
    "c": 0.09507,
    "h": 200.5
  },
  "luminance": 0.39748
}

Semantic roles & 50–950 ramp

primary

#51B8BE

secondary

#CDA09E

accent

#5A53D5

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1314

muted

#7E8282

Preview Lab

Preview with #51B8BE

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

Preview Lab → · Contrast checker → · Palette generator →