#1B8343#1B8343

#1B8343 is a mid, vivid green. Relative luminance 0.169; OKLCH L 53.8% C 0.134 H 151.0°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#1B8343
RGB	rgb(27, 131, 67)
HSL	hsl(143, 66%, 31%)
HSV	hsv(143, 79%, 51%)
CMYK	cmyk(79.4%, 0%, 48.9%, 48.6%)
CIE-LAB	lab(48.10, -43.58, 26.53)
CIE-LCH	lch(48.10, 51.02, 148.67°)
OKLab	oklab(53.79% -0.1171 0.0649)
OKLCH	oklch(53.79% 0.134 151)
XYZ	xyz(9.5806, 16.8697, 8.0604)
Luminance	0.1687 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8343 #831B5B

analogous

#27831B #1B8343 #1B8377

triadic

#1B8343 #431B83 #83431B

tetradic

#1B8343 #1B2783 #831B5B #83771B

square

#1B8343 #1B2783 #831B5B #83771B

split-complementary

#1B8343 #771B83 #831B27

monochromatic

#061E0F #115029 #1B8343 #25B65D #41D87B

Accessibility & contrast

On white

4.80

#1B8343 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#1B8343 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8343

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8343	#FFFFFF	#000000	##FFFFFF
##1B8343	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#84773E

Deuteranopia (green-blind)

#786F48

Tritanopia (blue-blind)

#008174

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1b8343;
/* rgb */ color: rgb(27, 131, 67);
/* oklch */ color: oklch(53.8% 0.134 151.0);

Tailwind

colors: {
  custom: {
    50: '#6aa878',
    500: '#1b8343',
    950: '#000000',
  },
}

SCSS

$custom: #1b8343;
$custom-light: #6aa878;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8343",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 67
  },
  "hsl": {
    "h": 143.077,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.53786,
    "c": 0.13385,
    "h": 151
  },
  "luminance": 0.16871
}

Semantic roles & 50–950 ramp

primary

#1B8343

secondary

#B6438A

accent

#3FA7E9

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#071009

muted

#7A7F7B

Preview Lab

Preview with #1B8343

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

Preview Lab → · Contrast checker → · Palette generator →