#1B841B#1B841B

#1B841B is a mid, vivid green. Relative luminance 0.168; OKLCH L 53.6% C 0.167 H 142.8°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#1B841B
RGB	rgb(27, 132, 27)
HSL	hsl(120, 66%, 31%)
HSV	hsv(120, 80%, 52%)
CMYK	cmyk(79.5%, 0%, 79.5%, 48.2%)
CIE-LAB	lab(48.02, -48.91, 44.95)
CIE-LCH	lch(48.02, 66.43, 137.42°)
OKLab	oklab(53.59% -0.1328 0.1008)
OKLCH	oklch(53.59% 0.167 142.8)
XYZ	xyz(8.9005, 16.8136, 3.8130)
Luminance	0.1681 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B841B #841B84

analogous

#4F841B #1B841B #1B844F

triadic

#1B841B #1B1B84 #841B1B

tetradic

#1B841B #1B4F84 #841B84 #844F1B

square

#1B841B #1B4F84 #841B84 #844F1B

split-complementary

#1B841B #4F1B84 #841B4F

monochromatic

#061E06 #115111 #1B841B #25B725 #41D841

Accessibility & contrast

On white

4.81

#1B841B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#1B841B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B841B

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B841B	#FFFFFF	#000000	##FFFFFF
##1B841B	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#877701

Deuteranopia (green-blind)

#7C6F27

Tritanopia (blue-blind)

#008070

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1b841b;
/* rgb */ color: rgb(27, 132, 27);
/* oklch */ color: oklch(53.6% 0.167 142.8);

Tailwind

colors: {
  custom: {
    50: '#6ca960',
    500: '#1b841b',
    950: '#000000',
  },
}

SCSS

$custom: #1b841b;
$custom-light: #6ca960;
$custom-dark: #000000;

JSON

{
  "hex": "#1b841b",
  "rgb": {
    "r": 27,
    "g": 132,
    "b": 27
  },
  "hsl": {
    "h": 120,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.53594,
    "c": 0.16667,
    "h": 142.8
  },
  "luminance": 0.16815
}

Semantic roles & 50–950 ramp

primary

#1B841B

secondary

#B743B7

accent

#3FE9E9

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#081005

muted

#7B7F79

Preview Lab

Preview with #1B841B

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

Preview Lab → · Contrast checker → · Palette generator →