#1B8923#1B8923

#1B8923 is a mid, vivid green. Relative luminance 0.182; OKLCH L 55.1% C 0.168 H 143.7°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX#1B8923
RGBrgb(27, 137, 35)
HSLhsl(124, 67%, 32%)
HSVhsv(124, 80%, 54%)
CMYKcmyk(80.3%, 0%, 74.5%, 46.3%)
CIE-LABlab(49.79, -49.92, 43.78)
CIE-LCHlch(49.79, 66.40, 138.75°)
OKLaboklab(55.08% -0.1351 0.0994)
OKLCHoklch(55.08% 0.168 143.7)
XYZxyz(9.7004, 18.2445, 4.6001)
Luminance0.1825 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8923 #891B81
analogous
#4A891B #1B8923 #1B895A
triadic
#1B8923 #231B89 #89231B
tetradic
#1B8923 #1B4A89 #891B81 #895A1B
square
#1B8923 #1B4A89 #891B81 #895A1B
split-complementary
#1B8923 #5A1B89 #891B4A
monochromatic
#072309 #115616 #1B8923 #25BC30 #44DA4F

Accessibility & contrast

On white

4.52
#1B8923 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.65
#1B8923 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8923
4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8923#FFFFFF#000000##000000
##1B89231.004.524.654.65
#FFFFFF4.521.0021.0021.00
#0000004.6521.001.001.00
##0000004.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C7B11
Deuteranopia (green-blind)
#80732E
Tritanopia (blue-blind)
#008575
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #1b8923;
/* rgb */ color: rgb(27, 137, 35);
/* oklch */ color: oklch(55.1% 0.168 143.7);
Tailwind
colors: {
  custom: {
    50: '#6dad65',
    500: '#1b8923',
    950: '#000000',
  },
}
SCSS
$custom: #1b8923;
$custom-light: #6dad65;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8923",
  "rgb": {
    "r": 27,
    "g": 137,
    "b": 35
  },
  "hsl": {
    "h": 124.364,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.5508,
    "c": 0.16776,
    "h": 143.7
  },
  "luminance": 0.18246
}

Semantic roles & 50–950 ramp

primary
#1B8923
secondary
#BC44B3
accent
#3EDDEA
background
#F7FAF6
surface
#EDF4EB
border
#C8CEC6
text
#081006
muted
#7B7F7A

Preview Lab

Preview with #1B8923

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8923 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva