#1B8541#1B8541

#1B8541 is a mid, vivid green. Relative luminance 0.174; OKLCH L 54.3% C 0.138 H 150.1°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#1B8541
RGB	rgb(27, 133, 65)
HSL	hsl(142, 66%, 31%)
HSV	hsv(142, 80%, 52%)
CMYK	cmyk(79.7%, 0%, 51.1%, 47.8%)
CIE-LAB	lab(48.75, -44.68, 28.43)
CIE-LCH	lch(48.75, 52.95, 147.53°)
OKLab	oklab(54.32% -0.12 0.0691)
OKLCH	oklch(54.32% 0.138 150.1)
XYZ	xyz(9.7928, 17.3885, 7.8402)
Luminance	0.1739 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8541 #851B5F

analogous

#2A851B #1B8541 #1B8576

triadic

#1B8541 #411B85 #85411B

tetradic

#1B8541 #1B2A85 #851B5F #85761B

square

#1B8541 #1B2A85 #851B5F #85761B

split-complementary

#1B8541 #761B85 #851B2A

monochromatic

#061F0F #115228 #1B8541 #25B85A #42D978

Accessibility & contrast

On white

4.69

#1B8541 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#1B8541 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8541

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8541	#FFFFFF	#000000	##FFFFFF
##1B8541	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#86793B

Deuteranopia (green-blind)

#7A7046

Tritanopia (blue-blind)

#008375

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #1b8541;
/* rgb */ color: rgb(27, 133, 65);
/* oklch */ color: oklch(54.3% 0.138 150.1);

Tailwind

colors: {
  custom: {
    50: '#6aa977',
    500: '#1b8541',
    950: '#000000',
  },
}

SCSS

$custom: #1b8541;
$custom-light: #6aa977;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8541",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 65
  },
  "hsl": {
    "h": 141.509,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.54315,
    "c": 0.13847,
    "h": 150.1
  },
  "luminance": 0.1739
}

Semantic roles & 50–950 ramp

primary

#1B8541

secondary

#B8448E

accent

#3FACE9

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#081009

muted

#7A7F7B

Preview Lab

Preview with #1B8541

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

Preview Lab → · Contrast checker → · Palette generator →