#1B8337#1B8337

#1B8337 is a mid, vivid green. Relative luminance 0.167; OKLCH L 53.6% C 0.145 H 147.6°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#1B8337
RGB	rgb(27, 131, 55)
HSL	hsl(136, 66%, 31%)
HSV	hsv(136, 79%, 51%)
CMYK	cmyk(79.4%, 0%, 58%, 48.6%)
CIE-LAB	lab(47.93, -45.52, 32.64)
CIE-LCH	lch(47.93, 56.01, 144.36°)
OKLab	oklab(53.6% -0.1224 0.0778)
OKLCH	oklch(53.6% 0.145 147.6)
XYZ	xyz(9.2572, 16.7403, 6.3570)
Luminance	0.1674 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8337 #831B67

analogous

#33831B #1B8337 #1B836B

triadic

#1B8337 #371B83 #83371B

tetradic

#1B8337 #1B3383 #831B67 #836B1B

square

#1B8337 #1B3383 #831B67 #836B1B

split-complementary

#1B8337 #6B1B83 #831B33

monochromatic

#061E0C #115022 #1B8337 #25B64C #41D869

Accessibility & contrast

On white

4.83

#1B8337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#1B8337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8337

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8337	#FFFFFF	#000000	##FFFFFF
##1B8337	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)

#857730

Deuteranopia (green-blind)

#796F3D

Tritanopia (blue-blind)

#008072

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1b8337;
/* rgb */ color: rgb(27, 131, 55);
/* oklch */ color: oklch(53.6% 0.145 147.6);

Tailwind

colors: {
  custom: {
    50: '#6aa870',
    500: '#1b8337',
    950: '#000000',
  },
}

SCSS

$custom: #1b8337;
$custom-light: #6aa870;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8337",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 55
  },
  "hsl": {
    "h": 136.154,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.53597,
    "c": 0.14505,
    "h": 147.6
  },
  "luminance": 0.16741
}

Semantic roles & 50–950 ramp

primary

#1B8337

secondary

#B64397

accent

#3FBBE9

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#071007

muted

#7A7F7A

Preview Lab

Preview with #1B8337

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

Preview Lab → · Contrast checker → · Palette generator →