#1B9D40#1B9D40

#1B9D40 is a mid, vivid green. Relative luminance 0.247; OKLCH L 61.0% C 0.170 H 147.4°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX#1B9D40
RGBrgb(27, 157, 64)
HSLhsl(137, 71%, 36%)
HSVhsv(137, 83%, 62%)
CMYKcmyk(82.8%, 0%, 59.2%, 38.4%)
CIE-LABlab(56.80, -53.33, 38.68)
CIE-LCHlch(56.80, 65.88, 144.05°)
OKLaboklab(60.99% -0.1433 0.0917)
OKLCHoklch(60.99% 0.17 147.4)
XYZxyz(13.4333, 24.7155, 8.9121)
Luminance0.2472 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9D40 #9D1B78
analogous
#379D1B #1B9D40 #1B9D81
triadic
#1B9D40 #401B9D #9D401B
tetradic
#1B9D40 #1B379D #9D1B78 #9D811B
square
#1B9D40 #1B379D #9D1B78 #9D811B
split-complementary
#1B9D40 #811B9D #9D1B37
monochromatic
#093515 #12692B #1B9D40 #24D155 #51E17A

Accessibility & contrast

On white

3.53
#1B9D40 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.94
#1B9D40 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9D40
5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9D40#FFFFFF#000000##000000
##1B9D401.003.535.945.94
#FFFFFF3.531.0021.0021.00
#0000005.9421.001.001.00
##0000005.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9F8E37
Deuteranopia (green-blind)
#918448
Tritanopia (blue-blind)
#009989
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #1b9d40;
/* rgb */ color: rgb(27, 157, 64);
/* oklch */ color: oklch(61.0% 0.170 147.4);
Tailwind
colors: {
  custom: {
    50: '#70bb78',
    500: '#1b9d40',
    950: '#000000',
  },
}
SCSS
$custom: #1b9d40;
$custom-light: #70bb78;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9d40",
  "rgb": {
    "r": 27,
    "g": 157,
    "b": 64
  },
  "hsl": {
    "h": 137.077,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.60986,
    "c": 0.17011,
    "h": 147.4
  },
  "luminance": 0.24717
}

Semantic roles & 50–950 ramp

primary
#1B9D40
secondary
#C450A3
accent
#3ABAED
background
#F7FBF7
surface
#EDF6ED
border
#C8D0C8
text
#091209
muted
#7B817B

Preview Lab

Preview with #1B9D40

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9D40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva