#1B8B38#1B8B38

#1B8B38 is a mid, vivid green. Relative luminance 0.190; OKLCH L 55.9% C 0.154 H 147.1°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX#1B8B38
RGBrgb(27, 139, 56)
HSLhsl(136, 67%, 33%)
HSVhsv(136, 81%, 55%)
CMYKcmyk(80.6%, 0%, 59.7%, 45.5%)
CIE-LABlab(50.67, -48.23, 35.37)
CIE-LCHlch(50.67, 59.81, 143.74°)
OKLaboklab(55.87% -0.1297 0.0838)
OKLCHoklch(55.87% 0.154 147.1)
XYZxyz(10.3976, 18.9825, 6.8566)
Luminance0.1898 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8B38 #8B1B6E
analogous
#368B1B #1B8B38 #1B8B70
triadic
#1B8B38 #381B8B #8B381B
tetradic
#1B8B38 #1B368B #8B1B6E #8B701B
square
#1B8B38 #1B368B #8B1B6E #8B701B
split-complementary
#1B8B38 #701B8B #8B1B36
monochromatic
#07250F #115823 #1B8B38 #25BE4D #45DB6C

Accessibility & contrast

On white

4.38
#1B8B38 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.80
#1B8B38 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B38
4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8B38#FFFFFF#000000##000000
##1B8B381.004.384.804.80
#FFFFFF4.381.0021.0021.00
#0000004.8021.001.001.00
##0000004.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D7E30
Deuteranopia (green-blind)
#80753F
Tritanopia (blue-blind)
#008879
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #1b8b38;
/* rgb */ color: rgb(27, 139, 56);
/* oklch */ color: oklch(55.9% 0.154 147.1);
Tailwind
colors: {
  custom: {
    50: '#6cae71',
    500: '#1b8b38',
    950: '#000000',
  },
}
SCSS
$custom: #1b8b38;
$custom-light: #6cae71;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8b38",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 56
  },
  "hsl": {
    "h": 135.536,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.5587,
    "c": 0.15444,
    "h": 147.1
  },
  "luminance": 0.18984
}

Semantic roles & 50–950 ramp

primary
#1B8B38
secondary
#BC459E
accent
#3DBEEA
background
#F7FAF6
surface
#EDF4EC
border
#C8CEC7
text
#081008
muted
#7B7F7B

Preview Lab

Preview with #1B8B38

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8B38 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva