#51B2A3#51B2A3

#51B2A3 is a light, moderate teal. Relative luminance 0.362; OKLCH L 70.1% C 0.094 H 181.9°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX#51B2A3
RGBrgb(81, 178, 163)
HSLhsl(171, 39%, 51%)
HSVhsv(171, 54%, 70%)
CMYKcmyk(54.5%, 0%, 8.4%, 30.2%)
CIE-LABlab(66.70, -32.20, -0.98)
CIE-LCHlch(66.70, 32.22, 181.75°)
OKLaboklab(70.11% -0.0942 -0.0032)
OKLCHoklch(70.11% 0.094 181.9)
XYZxyz(25.9217, 36.2320, 40.2707)
Luminance0.3623 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51B2A3 #B25160
analogous
#51B272 #51B2A3 #5190B2
triadic
#51B2A3 #A351B2 #B2A351
tetradic
#51B2A3 #7251B2 #B25160 #90B251
square
#51B2A3 #7251B2 #B25160 #90B251
split-complementary
#51B2A3 #B25190 #B27251
monochromatic
#2A5F57 #3D897D #51B2A3 #7BC5B9 #A6D8D0

Accessibility & contrast

On white

2.55
#51B2A3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.25
#51B2A3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B2A3
8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51B2A3#FFFFFF#000000##000000
##51B2A31.002.558.258.25
#FFFFFF2.551.0021.0021.00
#0000008.2521.001.001.00
##0000008.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#ABA9A2
Deuteranopia (green-blind)
#9B9EA4
Tritanopia (blue-blind)
#0CB5AD
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #51b2a3;
/* rgb */ color: rgb(81, 178, 163);
/* oklch */ color: oklch(70.1% 0.094 181.9);
Tailwind
colors: {
  custom: {
    50: '#8ac9be',
    500: '#51b2a3',
    950: '#000000',
  },
}
SCSS
$custom: #51b2a3;
$custom-light: #8ac9be;
$custom-dark: #000000;
JSON
{
  "hex": "#51b2a3",
  "rgb": {
    "r": 81,
    "g": 178,
    "b": 163
  },
  "hsl": {
    "h": 170.722,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.70111,
    "c": 0.09429,
    "h": 181.9
  },
  "luminance": 0.36234
}

Semantic roles & 50–950 ramp

primary
#51B2A3
secondary
#C59AA1
accent
#596BCF
background
#F8FCFB
surface
#F0F8F6
border
#CBD1D0
text
#0C1312
muted
#7D8281

Preview Lab

Preview with #51B2A3

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

Preview Lab → · Contrast checker → · Palette generator →

#51B2A3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva