#1B601B#1B601B

#1B601B is a dark, vivid green. Relative luminance 0.087; OKLCH L 43.1% C 0.123 H 143.1°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX#1B601B
RGBrgb(27, 96, 27)
HSLhsl(120, 56%, 24%)
HSVhsv(120, 72%, 38%)
CMYKcmyk(71.9%, 0%, 71.9%, 62.4%)
CIE-LABlab(35.36, -36.13, 32.03)
CIE-LCHlch(35.36, 48.28, 138.44°)
OKLaboklab(43.08% -0.0981 0.0737)
OKLCHoklch(43.08% 0.123 143.1)
XYZxyz(4.8324, 8.6774, 2.4569)
Luminance0.0868 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B601B #601B60
analogous
#3E601B #1B601B #1B603E
triadic
#1B601B #1B1B60 #601B1B
tetradic
#1B601B #1B3E60 #601B60 #603E1B
square
#1B601B #1B3E60 #601B60 #603E1B
split-complementary
#1B601B #3E1B60 #601B3E
monochromatic
#071807 #0E300E #1B601B #289028 #36C036

Accessibility & contrast

On white

7.68
#1B601B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.74
#1B601B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B601B
7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B601B#FFFFFF#000000##FFFFFF
##1B601B1.007.682.747.68
#FFFFFF7.681.0021.001.00
#0000002.7421.001.0021.00
##FFFFFF7.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#625712
Deuteranopia (green-blind)
#5A5121
Tritanopia (blue-blind)
#095D52
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #1b601b;
/* rgb */ color: rgb(27, 96, 27);
/* oklch */ color: oklch(43.1% 0.123 143.1);
Tailwind
colors: {
  custom: {
    50: '#628e5b',
    500: '#1b601b',
    950: '#000000',
  },
}
SCSS
$custom: #1b601b;
$custom-light: #628e5b;
$custom-dark: #000000;
JSON
{
  "hex": "#1b601b",
  "rgb": {
    "r": 27,
    "g": 96,
    "b": 27
  },
  "hsl": {
    "h": 120,
    "s": 56.098,
    "l": 24.118
  },
  "oklch": {
    "l": 0.43077,
    "c": 0.12273,
    "h": 143.1
  },
  "luminance": 0.08678
}

Semantic roles & 50–950 ramp

primary
#1B601B
secondary
#964196
accent
#48DFDF
background
#F6F8F5
surface
#EBF0E9
border
#C6CBC5
text
#060C04
muted
#7A7D79

Preview Lab

Preview with #1B601B

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

Preview Lab → · Contrast checker → · Palette generator →

#1B601B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva