#51BDBA#51BDBA

#51BDBA is a light, moderate teal. Relative luminance 0.417; OKLCH L 73.5% C 0.099 H 192.7°. Best body text is #000000 at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#51BDBA
RGB	rgb(81, 189, 186)
HSL	hsl(178, 45%, 53%)
HSV	hsv(178, 57%, 74%)
CMYK	cmyk(57.1%, 0%, 1.6%, 25.9%)
CIE-LAB	lab(70.65, -31.38, -7.81)
CIE-LCH	lch(70.65, 32.34, 193.97°)
OKLab	oklab(73.53% -0.0962 -0.0217)
OKLCH	oklch(73.53% 0.099 192.7)
XYZ	xyz(30.4500, 41.6866, 52.8865)
Luminance	0.4169 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BDBA #BD5154

analogous

#51BD84 #51BDBA #518ABD

triadic

#51BDBA #BA51BD #BDBA51

tetradic

#51BDBA #8451BD #BD5154 #8ABD51

square

#51BDBA #8451BD #BD5154 #8ABD51

split-complementary

#51BDBA #BD518A #BD8451

monochromatic

#296B69 #399795 #51BDBA #7DCECC #AADFDD

Accessibility & contrast

On white

2.25

#51BDBA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.34

#51BDBA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BDBA

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BDBA	#FFFFFF	#000000	##000000
##51BDBA	1.00	2.25	9.34	9.34
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.34	21.00	1.00	1.00
##000000	9.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2B4BA

Deuteranopia (green-blind)

#A1A7BB

Tritanopia (blue-blind)

#00C2BC

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #51bdba;
/* rgb */ color: rgb(81, 189, 186);
/* oklch */ color: oklch(73.5% 0.099 192.7);

Tailwind

colors: {
  custom: {
    50: '#8dd1ce',
    500: '#51bdba',
    950: '#000000',
  },
}

SCSS

$custom: #51bdba;
$custom-light: #8dd1ce;
$custom-dark: #000000;

JSON

{
  "hex": "#51bdba",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 186
  },
  "hsl": {
    "h": 178.333,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.7353,
    "c": 0.09858,
    "h": 192.7
  },
  "luminance": 0.4169
}

Semantic roles & 50–950 ramp

primary

#51BDBA

secondary

#CC9E9F

accent

#5357D5

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1413

muted

#7E8282

Preview Lab

Preview with #51BDBA

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

Preview Lab → · Contrast checker → · Palette generator →