#155A50#155A50

#155A50 is a dark, moderate teal. Relative luminance 0.081; OKLCH L 42.3% C 0.068 H 181.0°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX#155A50
RGBrgb(21, 90, 80)
HSLhsl(171, 62%, 22%)
HSVhsv(171, 77%, 35%)
CMYKcmyk(76.7%, 0%, 11.1%, 64.7%)
CIE-LABlab(34.09, -23.53, -0.30)
CIE-LCHlch(34.09, 23.53, 180.73°)
OKLaboklab(42.32% -0.0683 -0.0012)
OKLCHoklch(42.32% 0.068 181)
XYZxyz(5.4127, 8.0503, 8.8565)
Luminance0.0805 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155A50 #5A151F
analogous
#155A2E #155A50 #15425A
triadic
#155A50 #50155A #5A5015
tetradic
#155A50 #2E155A #5A151F #425A15
square
#155A50 #2E155A #5A151F #425A15
split-complementary
#155A50 #5A1542 #5A2E15
monochromatic
#061916 #092824 #155A50 #218C7C #2CBDA8

Accessibility & contrast

On white

8.05
#155A50 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.61
#155A50 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A50
8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155A50#FFFFFF#000000##FFFFFF
##155A501.008.052.618.05
#FFFFFF8.051.0021.001.00
#0000002.6121.001.0021.00
##FFFFFF8.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#565450
Deuteranopia (green-blind)
#4C4D51
Tritanopia (blue-blind)
#005C57
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #155a50;
/* rgb */ color: rgb(21, 90, 80);
/* oklch */ color: oklch(42.3% 0.068 181.0);
Tailwind
colors: {
  custom: {
    50: '#5f8981',
    500: '#155a50',
    950: '#000000',
  },
}
SCSS
$custom: #155a50;
$custom-light: #5f8981;
$custom-dark: #000000;
JSON
{
  "hex": "#155a50",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 80
  },
  "hsl": {
    "h": 171.304,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.42324,
    "c": 0.06833,
    "h": 181
  },
  "luminance": 0.08051
}

Semantic roles & 50–950 ramp

primary
#155A50
secondary
#923946
accent
#435AE5
background
#F5F8F7
surface
#EAF0EE
border
#C6CBC9
text
#050B0A
muted
#797C7C

Preview Lab

Preview with #155A50

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

Preview Lab → · Contrast checker → · Palette generator →

#155A50 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva