#51BFCA#51BFCA

#51BFCA is a light, moderate teal. Relative luminance 0.433; OKLCH L 74.6% C 0.100 H 204.3°. Best body text is #000000 at 9.65:1 contrast (WCAG AA passes).

Color values

HEX#51BFCA
RGBrgb(81, 191, 202)
HSLhsl(185, 53%, 55%)
HSVhsv(185, 60%, 79%)
CMYKcmyk(59.9%, 5.4%, 0%, 20.8%)
CIE-LABlab(71.74, -27.90, -14.94)
CIE-LCHlch(71.74, 31.65, 208.16°)
OKLaboklab(74.57% -0.0915 -0.0413)
OKLCHoklch(74.57% 0.1 204.3)
XYZxyz(32.6803, 43.2718, 62.4957)
Luminance0.4328 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BFCA #CA5C51
analogous
#51CA99 #51BFCA #5182CA
triadic
#51BFCA #CA51BF #BFCA51
tetradic
#51BFCA #9951CA #CA5C51 #82CA51
square
#51BFCA #9951CA #CA5C51 #82CA51
split-complementary
#51BFCA #CA5182 #CA9951
monochromatic
#25737B #349FAA #51BFCA #80D0D8 #AFE2E7

Accessibility & contrast

On white

2.18
#51BFCA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.65
#51BFCA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFCA
9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BFCA#FFFFFF#000000##000000
##51BFCA1.002.189.659.65
#FFFFFF2.181.0021.0021.00
#0000009.6521.001.001.00
##0000009.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#B1B8CB
Deuteranopia (green-blind)
#9EAACA
Tritanopia (blue-blind)
#00C6C2
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #51bfca;
/* rgb */ color: rgb(81, 191, 202);
/* oklch */ color: oklch(74.6% 0.100 204.3);
Tailwind
colors: {
  custom: {
    50: '#8ed2da',
    500: '#51bfca',
    950: '#000000',
  },
}
SCSS
$custom: #51bfca;
$custom-light: #8ed2da;
$custom-dark: #000000;
JSON
{
  "hex": "#51bfca",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 202
  },
  "hsl": {
    "h": 185.455,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.74569,
    "c": 0.10043,
    "h": 204.3
  },
  "luminance": 0.43275
}

Semantic roles & 50–950 ramp

primary
#51BFCA
secondary
#D5A7A2
accent
#584BDD
background
#F9FCFD
surface
#F2F9FA
border
#CCD2D3
text
#0D1414
muted
#7E8283

Preview Lab

Preview with #51BFCA

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

Preview Lab → · Contrast checker → · Palette generator →

#51BFCA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva