#51BBD0#51BBD0

#51BBD0 is a light, moderate teal. Relative luminance 0.418; OKLCH L 73.8% C 0.101 H 212.8°. Best body text is #000000 at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#51BBD0
RGB	rgb(81, 187, 208)
HSL	hsl(190, 57%, 57%)
HSV	hsv(190, 61%, 82%)
CMYK	cmyk(61.1%, 10.1%, 0%, 18.4%)
CIE-LAB	lab(70.76, -24.17, -19.69)
CIE-LCH	lch(70.76, 31.18, 219.17°)
OKLab	oklab(73.85% -0.0849 -0.0546)
OKLCH	oklch(73.85% 0.101 212.8)
XYZ	xyz(32.5442, 41.8407, 66.0232)
Luminance	0.4184 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BBD0 #D06651

analogous

#51D0A6 #51BBD0 #517CD0

triadic

#51BBD0 #D051BB #BBD051

tetradic

#51BBD0 #A651D0 #D06651 #7CD051

square

#51BBD0 #A651D0 #D06651 #7CD051

split-complementary

#51BBD0 #D0517C #D0A651

monochromatic

#237383 #309EB3 #51BBD0 #81CEDD #B1E1EA

Accessibility & contrast

On white

2.24

#51BBD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.37

#51BBD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BBD0

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BBD0	#FFFFFF	#000000	##000000
##51BBD0	1.00	2.24	9.37	9.37
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.37	21.00	1.00	1.00
##000000	9.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB5D1

Deuteranopia (green-blind)

#98A7D0

Tritanopia (blue-blind)

#00C4C1

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #51bbd0;
/* rgb */ color: rgb(81, 187, 208);
/* oklch */ color: oklch(73.8% 0.101 212.8);

Tailwind

colors: {
  custom: {
    50: '#8ecfde',
    500: '#51bbd0',
    950: '#000000',
  },
}

SCSS

$custom: #51bbd0;
$custom-light: #8ecfde;
$custom-dark: #000000;

JSON

{
  "hex": "#51bbd0",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 208
  },
  "hsl": {
    "h": 189.921,
    "s": 57.466,
    "l": 56.667
  },
  "oklch": {
    "l": 0.73848,
    "c": 0.10093,
    "h": 212.8
  },
  "luminance": 0.41844
}

Semantic roles & 50–950 ramp

primary

#51BBD0

secondary

#D8ADA4

accent

#6047E1

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #51BBD0

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

Preview Lab → · Contrast checker → · Palette generator →