#51AAAF#51AAAF

#51AAAF is a light, moderate teal. Relative luminance 0.336; OKLCH L 68.6% C 0.085 H 200.3°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX#51AAAF
RGBrgb(81, 170, 175)
HSLhsl(183, 37%, 50%)
HSVhsv(183, 54%, 69%)
CMYKcmyk(53.7%, 2.9%, 0%, 31.4%)
CIE-LABlab(64.64, -25.08, -10.70)
CIE-LCHlch(64.64, 27.27, 203.11°)
OKLaboklab(68.56% -0.0799 -0.0296)
OKLCHoklch(68.56% 0.085 200.3)
XYZxyz(25.5028, 33.5915, 45.6890)
Luminance0.3359 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51AAAF #AF5651
analogous
#51AF85 #51AAAF #517BAF
triadic
#51AAAF #AF51AA #AAAF51
tetradic
#51AAAF #8551AF #AF5651 #7BAF51
square
#51AAAF #8551AF #AF5651 #7BAF51
split-complementary
#51AAAF #AF517B #AF8551
monochromatic
#2A595C #3D8285 #51AAAF #7BBEC2 #A5D3D6

Accessibility & contrast

On white

2.72
#51AAAF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.72
#51AAAF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AAAF
7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51AAAF#FFFFFF#000000##000000
##51AAAF1.002.727.727.72
#FFFFFF2.721.0021.0021.00
#0000007.7221.001.001.00
##0000007.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#9FA3AF
Deuteranopia (green-blind)
#9098B0
Tritanopia (blue-blind)
#00AFAB
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #51aaaf;
/* rgb */ color: rgb(81, 170, 175);
/* oklch */ color: oklch(68.6% 0.085 200.3);
Tailwind
colors: {
  custom: {
    50: '#8ac3c6',
    500: '#51aaaf',
    950: '#000000',
  },
}
SCSS
$custom: #51aaaf;
$custom-light: #8ac3c6;
$custom-dark: #000000;
JSON
{
  "hex": "#51aaaf",
  "rgb": {
    "r": 81,
    "g": 170,
    "b": 175
  },
  "hsl": {
    "h": 183.191,
    "s": 37.008,
    "l": 50.196
  },
  "oklch": {
    "l": 0.68564,
    "c": 0.08522,
    "h": 200.3
  },
  "luminance": 0.33594
}

Semantic roles & 50–950 ramp

primary
#51AAAF
secondary
#C39B99
accent
#615BCD
background
#F8FCFC
surface
#F0F8F8
border
#CBD1D1
text
#0C1213
muted
#7D8182

Preview Lab

Preview with #51AAAF

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

Preview Lab → · Contrast checker → · Palette generator →

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