#51BEC5#51BEC5

#51BEC5 is a light, moderate teal. Relative luminance 0.426; OKLCH L 74.2% C 0.099 H 201.1°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#51BEC5
RGB	rgb(81, 190, 197)
HSL	hsl(184, 50%, 55%)
HSV	hsv(184, 59%, 77%)
CMYK	cmyk(58.9%, 3.6%, 0%, 22.7%)
CIE-LAB	lab(71.29, -28.83, -12.89)
CIE-LCH	lch(71.29, 31.58, 204.09°)
OKLab	oklab(74.15% -0.0925 -0.0357)
OKLCH	oklch(74.15% 0.099 201.1)
XYZ	xyz(31.8806, 42.6042, 59.3558)
Luminance	0.4261 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BEC5 #C55851

analogous

#51C592 #51BEC5 #5184C5

triadic

#51BEC5 #C551BE #BEC551

tetradic

#51BEC5 #9251C5 #C55851 #84C551

square

#51BEC5 #9251C5 #C55851 #84C551

split-complementary

#51BEC5 #C55184 #C59251

monochromatic

#277075 #369CA3 #51BEC5 #7FCFD4 #ADE0E4

Accessibility & contrast

On white

2.21

#51BEC5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#51BEC5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BEC5

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BEC5	#FFFFFF	#000000	##000000
##51BEC5	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1B6C6

Deuteranopia (green-blind)

#9FA9C6

Tritanopia (blue-blind)

#00C5C0

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51bec5;
/* rgb */ color: rgb(81, 190, 197);
/* oklch */ color: oklch(74.2% 0.099 201.1);

Tailwind

colors: {
  custom: {
    50: '#8ed2d6',
    500: '#51bec5',
    950: '#000000',
  },
}

SCSS

$custom: #51bec5;
$custom-light: #8ed2d6;
$custom-dark: #000000;

JSON

{
  "hex": "#51bec5",
  "rgb": {
    "r": 81,
    "g": 190,
    "b": 197
  },
  "hsl": {
    "h": 183.621,
    "s": 50,
    "l": 54.51
  },
  "oklch": {
    "l": 0.74151,
    "c": 0.09917,
    "h": 201.1
  },
  "luminance": 0.42607
}

Semantic roles & 50–950 ramp

primary

#51BEC5

secondary

#D1A3A0

accent

#574EDA

background

#F9FCFD

surface

#F2F9FA

border

#CCD2D3

text

#0D1414

muted

#7E8283

Preview Lab

Preview with #51BEC5

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

Preview Lab → · Contrast checker → · Palette generator →