#51BBBD#51BBBD

#51BBBD is a light, moderate teal. Relative luminance 0.410; OKLCH L 73.2% C 0.097 H 197.0°. Best body text is #000000 at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#51BBBD
RGB	rgb(81, 187, 189)
HSL	hsl(181, 45%, 53%)
HSV	hsv(181, 57%, 74%)
CMYK	cmyk(57.1%, 1.1%, 0%, 25.9%)
CIE-LAB	lab(70.15, -29.60, -10.21)
CIE-LCH	lch(70.15, 31.31, 199.03°)
OKLab	oklab(73.15% -0.0927 -0.0283)
OKLCH	oklch(73.15% 0.097 197)
XYZ	xyz(30.3451, 40.9611, 54.4413)
Luminance	0.4096 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BBBD #BD5351

analogous

#51BD89 #51BBBD #5185BD

triadic

#51BBBD #BD51BB #BBBD51

tetradic

#51BBBD #8951BD #BD5351 #85BD51

square

#51BBBD #8951BD #BD5351 #85BD51

split-complementary

#51BBBD #BD5185 #BD8951

monochromatic

#296A6B #399697 #51BBBD #7DCCCE #AADEDF

Accessibility & contrast

On white

2.28

#51BBBD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.19

#51BBBD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BBBD

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BBBD	#FFFFFF	#000000	##000000
##51BBBD	1.00	2.28	9.19	9.19
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.19	21.00	1.00	1.00
##000000	9.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFB3BD

Deuteranopia (green-blind)

#9EA6BE

Tritanopia (blue-blind)

#00C1BB

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #51bbbd;
/* rgb */ color: rgb(81, 187, 189);
/* oklch */ color: oklch(73.2% 0.097 197.0);

Tailwind

colors: {
  custom: {
    50: '#8dd0d0',
    500: '#51bbbd',
    950: '#000000',
  },
}

SCSS

$custom: #51bbbd;
$custom-light: #8dd0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51bbbd",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 189
  },
  "hsl": {
    "h": 181.111,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.73152,
    "c": 0.09692,
    "h": 197
  },
  "luminance": 0.40964
}

Semantic roles & 50–950 ramp

primary

#51BBBD

secondary

#CC9E9E

accent

#5653D5

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1414

muted

#7E8282

Preview Lab

Preview with #51BBBD

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

Preview Lab → · Contrast checker → · Palette generator →