#1B8B2D#1B8B2D

#1B8B2D is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.7% C 0.163 H 145.0°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX#1B8B2D
RGBrgb(27, 139, 45)
HSLhsl(130, 67%, 33%)
HSVhsv(130, 81%, 55%)
CMYKcmyk(80.6%, 0%, 67.6%, 45.5%)
CIE-LABlab(50.55, -49.60, 40.41)
CIE-LCHlch(50.55, 63.97, 140.83°)
OKLaboklab(55.74% -0.1338 0.0936)
OKLCHoklch(55.74% 0.163 145)
XYZxyz(10.1575, 18.8865, 5.5922)
Luminance0.1889 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8B2D #8B1B79
analogous
#418B1B #1B8B2D #1B8B65
triadic
#1B8B2D #2D1B8B #8B2D1B
tetradic
#1B8B2D #1B418B #8B1B79 #8B651B
square
#1B8B2D #1B418B #8B1B79 #8B651B
split-complementary
#1B8B2D #651B8B #8B1B41
monochromatic
#07250C #11581C #1B8B2D #25BE3E #45DB5D

Accessibility & contrast

On white

4.40
#1B8B2D on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.78
#1B8B2D on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B2D
4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8B2D#FFFFFF#000000##000000
##1B8B2D1.004.404.784.78
#FFFFFF4.401.0021.0021.00
#0000004.7821.001.001.00
##0000004.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D7E21
Deuteranopia (green-blind)
#817536
Tritanopia (blue-blind)
#008778
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #1b8b2d;
/* rgb */ color: rgb(27, 139, 45);
/* oklch */ color: oklch(55.7% 0.163 145.0);
Tailwind
colors: {
  custom: {
    50: '#6dae6a',
    500: '#1b8b2d',
    950: '#000000',
  },
}
SCSS
$custom: #1b8b2d;
$custom-light: #6dae6a;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8b2d",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 45
  },
  "hsl": {
    "h": 129.643,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.5574,
    "c": 0.16327,
    "h": 145
  },
  "luminance": 0.18888
}

Semantic roles & 50–950 ramp

primary
#1B8B2D
secondary
#BC45A9
accent
#3DCFEA
background
#F7FAF6
surface
#EDF4EB
border
#C8CEC6
text
#081007
muted
#7B7F7A

Preview Lab

Preview with #1B8B2D

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8B2D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva