#1B8440#1B8440

#1B8440 is a mid, vivid green. Relative luminance 0.171; OKLCH L 54.0% C 0.138 H 149.9°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#1B8440
RGB	rgb(27, 132, 64)
HSL	hsl(141, 66%, 31%)
HSV	hsv(141, 80%, 52%)
CMYK	cmyk(79.5%, 0%, 51.5%, 48.2%)
CIE-LAB	lab(48.39, -44.47, 28.52)
CIE-LCH	lch(48.39, 52.83, 147.33°)
OKLab	oklab(54.02% -0.1195 0.0692)
OKLCH	oklch(54.02% 0.138 149.9)
XYZ	xyz(9.6279, 17.1046, 7.6436)
Luminance	0.1711 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8440 #841B5F

analogous

#2A841B #1B8440 #1B8474

triadic

#1B8440 #401B84 #84401B

tetradic

#1B8440 #1B2A84 #841B5F #84741B

square

#1B8440 #1B2A84 #841B5F #84741B

split-complementary

#1B8440 #741B84 #841B2A

monochromatic

#061E0F #115127 #1B8440 #25B759 #41D876

Accessibility & contrast

On white

4.75

#1B8440 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#1B8440 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8440

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8440	#FFFFFF	#000000	##FFFFFF
##1B8440	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#85783A

Deuteranopia (green-blind)

#797045

Tritanopia (blue-blind)

#008274

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #1b8440;
/* rgb */ color: rgb(27, 132, 64);
/* oklch */ color: oklch(54.0% 0.138 149.9);

Tailwind

colors: {
  custom: {
    50: '#6aa976',
    500: '#1b8440',
    950: '#000000',
  },
}

SCSS

$custom: #1b8440;
$custom-light: #6aa976;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8440",
  "rgb": {
    "r": 27,
    "g": 132,
    "b": 64
  },
  "hsl": {
    "h": 141.143,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.54017,
    "c": 0.13807,
    "h": 149.9
  },
  "luminance": 0.17106
}

Semantic roles & 50–950 ramp

primary

#1B8440

secondary

#B7438F

accent

#3FADE9

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#071008

muted

#7A7F7B

Preview Lab

Preview with #1B8440

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

Preview Lab → · Contrast checker → · Palette generator →