#1B9531#1B9531

#1B9531 is a mid, vivid green. Relative luminance 0.220; OKLCH L 58.6% C 0.172 H 145.2°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX#1B9531
RGBrgb(27, 149, 49)
HSLhsl(131, 69%, 35%)
HSVhsv(131, 82%, 58%)
CMYKcmyk(81.9%, 0%, 67.1%, 41.6%)
CIE-LABlab(53.97, -52.50, 42.39)
CIE-LCHlch(53.97, 67.48, 141.09°)
OKLaboklab(58.59% -0.1415 0.0982)
OKLCHoklch(58.59% 0.172 145.2)
XYZxyz(11.7530, 21.9482, 6.5221)
Luminance0.2195 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9531 #951B7F
analogous
#42951B #1B9531 #1B956E
triadic
#1B9531 #311B95 #95311B
tetradic
#1B9531 #1B4295 #951B7F #956E1B
square
#1B9531 #1B4295 #951B7F #956E1B
split-complementary
#1B9531 #6E1B95 #951B42
monochromatic
#082D0F #126120 #1B9531 #24C942 #4CDF66

Accessibility & contrast

On white

3.90
#1B9531 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.39
#1B9531 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9531
5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9531#FFFFFF#000000##000000
##1B95311.003.905.395.39
#FFFFFF3.901.0021.0021.00
#0000005.3921.001.001.00
##0000005.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#988724
Deuteranopia (green-blind)
#8A7D3A
Tritanopia (blue-blind)
#009180
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #1b9531;
/* rgb */ color: rgb(27, 149, 49);
/* oklch */ color: oklch(58.6% 0.172 145.2);
Tailwind
colors: {
  custom: {
    50: '#6fb56e',
    500: '#1b9531',
    950: '#000000',
  },
}
SCSS
$custom: #1b9531;
$custom-light: #6fb56e;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9531",
  "rgb": {
    "r": 27,
    "g": 149,
    "b": 49
  },
  "hsl": {
    "h": 130.82,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.58591,
    "c": 0.17227,
    "h": 145.2
  },
  "luminance": 0.2195
}

Semantic roles & 50–950 ramp

primary
#1B9531
secondary
#C14BAB
accent
#3CCCEC
background
#F7FBF6
surface
#EDF6EC
border
#C8D0C7
text
#091107
muted
#7B807A

Preview Lab

Preview with #1B9531

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9531 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva