#51BDB8#51BDB8

#51BDB8 is a light, moderate teal. Relative luminance 0.416; OKLCH L 73.5% C 0.099 H 191.0°. Best body text is #000000 at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#51BDB8
RGB	rgb(81, 189, 184)
HSL	hsl(177, 45%, 53%)
HSV	hsv(177, 57%, 74%)
CMYK	cmyk(57.1%, 0%, 2.6%, 25.9%)
CIE-LAB	lab(70.60, -31.92, -6.80)
CIE-LCH	lch(70.60, 32.64, 192.03°)
OKLab	oklab(73.46% -0.097 -0.0189)
OKLCH	oklch(73.46% 0.099 191)
XYZ	xyz(30.2389, 41.6022, 51.7745)
Luminance	0.4160 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BDB8 #BD5156

analogous

#51BD82 #51BDB8 #518CBD

triadic

#51BDB8 #B851BD #BDB851

tetradic

#51BDB8 #8251BD #BD5156 #8CBD51

square

#51BDB8 #8251BD #BD5156 #8CBD51

split-complementary

#51BDB8 #BD518C #BD8251

monochromatic

#296B68 #399793 #51BDB8 #7DCECA #AADFDC

Accessibility & contrast

On white

2.25

#51BDB8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.32

#51BDB8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BDB8

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BDB8	#FFFFFF	#000000	##000000
##51BDB8	1.00	2.25	9.32	9.32
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.32	21.00	1.00	1.00
##000000	9.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3B4B8

Deuteranopia (green-blind)

#A2A7B9

Tritanopia (blue-blind)

#00C2BB

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #51bdb8;
/* rgb */ color: rgb(81, 189, 184);
/* oklch */ color: oklch(73.5% 0.099 191.0);

Tailwind

colors: {
  custom: {
    50: '#8dd1cd',
    500: '#51bdb8',
    950: '#000000',
  },
}

SCSS

$custom: #51bdb8;
$custom-light: #8dd1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#51bdb8",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 184
  },
  "hsl": {
    "h": 177.222,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.73464,
    "c": 0.09886,
    "h": 191
  },
  "luminance": 0.41605
}

Semantic roles & 50–950 ramp

primary

#51BDB8

secondary

#CC9EA0

accent

#5359D5

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1413

muted

#7E8282

Preview Lab

Preview with #51BDB8

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

Preview Lab → · Contrast checker → · Palette generator →