#1B841F#1B841F

#1B841F is a mid, vivid green. Relative luminance 0.168; OKLCH L 53.6% C 0.164 H 143.2°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#1B841F
RGB	rgb(27, 132, 31)
HSL	hsl(122, 66%, 31%)
HSV	hsv(122, 80%, 52%)
CMYK	cmyk(79.5%, 0%, 76.5%, 48.2%)
CIE-LAB	lab(48.05, -48.60, 43.54)
CIE-LCH	lch(48.05, 65.25, 138.14°)
OKLab	oklab(53.62% -0.1317 0.0984)
OKLCH	oklch(53.62% 0.164 143.2)
XYZ	xyz(8.9500, 16.8334, 4.0735)
Luminance	0.1683 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B841F #841B80

analogous

#4B841B #1B841F #1B8453

triadic

#1B841F #1F1B84 #841F1B

tetradic

#1B841F #1B4B84 #841B80 #84531B

square

#1B841F #1B4B84 #841B80 #84531B

split-complementary

#1B841F #531B84 #841B4B

monochromatic

#061E07 #115113 #1B841F #25B72B #41D847

Accessibility & contrast

On white

4.81

#1B841F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#1B841F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B841F

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B841F	#FFFFFF	#000000	##FFFFFF
##1B841F	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#87770B

Deuteranopia (green-blind)

#7B6F2A

Tritanopia (blue-blind)

#008071

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1b841f;
/* rgb */ color: rgb(27, 132, 31);
/* oklch */ color: oklch(53.6% 0.164 143.2);

Tailwind

colors: {
  custom: {
    50: '#6ca962',
    500: '#1b841f',
    950: '#000000',
  },
}

SCSS

$custom: #1b841f;
$custom-light: #6ca962;
$custom-dark: #000000;

JSON

{
  "hex": "#1b841f",
  "rgb": {
    "r": 27,
    "g": 132,
    "b": 31
  },
  "hsl": {
    "h": 122.286,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.53623,
    "c": 0.16441,
    "h": 143.2
  },
  "luminance": 0.16834
}

Semantic roles & 50–950 ramp

primary

#1B841F

secondary

#B743B3

accent

#3FE2E9

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081005

muted

#7B7F7A

Preview Lab

Preview with #1B841F

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

Preview Lab → · Contrast checker → · Palette generator →