#1B8339#1B8339

#1B8339 is a mid, vivid green. Relative luminance 0.168; OKLCH L 53.6% C 0.143 H 148.1°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#1B8339
RGB	rgb(27, 131, 57)
HSL	hsl(137, 66%, 31%)
HSV	hsv(137, 79%, 51%)
CMYK	cmyk(79.4%, 0%, 56.5%, 48.6%)
CIE-LAB	lab(47.96, -45.22, 31.65)
CIE-LCH	lch(47.96, 55.19, 145.01°)
OKLab	oklab(53.63% -0.1216 0.0758)
OKLCH	oklch(53.63% 0.143 148.1)
XYZ	xyz(9.3061, 16.7599, 6.6146)
Luminance	0.1676 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8339 #831B65

analogous

#31831B #1B8339 #1B836D

triadic

#1B8339 #391B83 #83391B

tetradic

#1B8339 #1B3183 #831B65 #836D1B

square

#1B8339 #1B3183 #831B65 #836D1B

split-complementary

#1B8339 #6D1B83 #831B31

monochromatic

#061E0D #115023 #1B8339 #25B64F #41D86C

Accessibility & contrast

On white

4.83

#1B8339 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#1B8339 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8339

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8339	#FFFFFF	#000000	##FFFFFF
##1B8339	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847732

Deuteranopia (green-blind)

#796F3F

Tritanopia (blue-blind)

#008072

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1b8339;
/* rgb */ color: rgb(27, 131, 57);
/* oklch */ color: oklch(53.6% 0.143 148.1);

Tailwind

colors: {
  custom: {
    50: '#6aa871',
    500: '#1b8339',
    950: '#000000',
  },
}

SCSS

$custom: #1b8339;
$custom-light: #6aa871;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8339",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 57
  },
  "hsl": {
    "h": 137.308,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.53626,
    "c": 0.14324,
    "h": 148.1
  },
  "luminance": 0.16761
}

Semantic roles & 50–950 ramp

primary

#1B8339

secondary

#B64395

accent

#3FB8E9

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#071008

muted

#7A7F7B

Preview Lab

Preview with #1B8339

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

Preview Lab → · Contrast checker → · Palette generator →