#51BBBE#51BBBE

#51BBBE is a light, moderate teal. Relative luminance 0.410; OKLCH L 73.2% C 0.097 H 197.8°. Best body text is #000000 at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#51BBBE
RGB	rgb(81, 187, 190)
HSL	hsl(182, 46%, 53%)
HSV	hsv(182, 57%, 75%)
CMYK	cmyk(57.4%, 1.6%, 0%, 25.5%)
CIE-LAB	lab(70.18, -29.32, -10.71)
CIE-LCH	lch(70.18, 31.22, 200.07°)
OKLab	oklab(73.19% -0.0923 -0.0296)
OKLCH	oklch(73.19% 0.097 197.8)
XYZ	xyz(30.4540, 41.0046, 55.0150)
Luminance	0.4101 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BBBE #BE5451

analogous

#51BE8A #51BBBE #5184BE

triadic

#51BBBE #BE51BB #BBBE51

tetradic

#51BBBE #8A51BE #BE5451 #84BE51

square

#51BBBE #8A51BE #BE5451 #84BE51

split-complementary

#51BBBE #BE5184 #BE8A51

monochromatic

#286A6C #399699 #51BBBE #7ECCCF #AADEDF

Accessibility & contrast

On white

2.28

#51BBBE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.20

#51BBBE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BBBE

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BBBE	#FFFFFF	#000000	##000000
##51BBBE	1.00	2.28	9.20	9.20
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.20	21.00	1.00	1.00
##000000	9.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFB3BE

Deuteranopia (green-blind)

#9EA6BF

Tritanopia (blue-blind)

#00C1BC

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #51bbbe;
/* rgb */ color: rgb(81, 187, 190);
/* oklch */ color: oklch(73.2% 0.097 197.8);

Tailwind

colors: {
  custom: {
    50: '#8dd0d1',
    500: '#51bbbe',
    950: '#000000',
  },
}

SCSS

$custom: #51bbbe;
$custom-light: #8dd0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#51bbbe",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 190
  },
  "hsl": {
    "h": 181.651,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.73186,
    "c": 0.09692,
    "h": 197.8
  },
  "luminance": 0.41008
}

Semantic roles & 50–950 ramp

primary

#51BBBE

secondary

#CD9F9E

accent

#5653D5

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1414

muted

#7E8282

Preview Lab

Preview with #51BBBE

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

Preview Lab → · Contrast checker → · Palette generator →