#1B8640#1B8640

#1B8640 is a mid, vivid green. Relative luminance 0.177; OKLCH L 54.6% C 0.141 H 149.6°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#1B8640
RGB	rgb(27, 134, 64)
HSL	hsl(141, 66%, 32%)
HSV	hsv(141, 80%, 53%)
CMYK	cmyk(79.9%, 0%, 52.2%, 47.5%)
CIE-LAB	lab(49.07, -45.21, 29.36)
CIE-LCH	lch(49.07, 53.91, 147.00°)
OKLab	oklab(54.58% -0.1214 0.0711)
OKLCH	oklch(54.58% 0.141 149.6)
XYZ	xyz(9.9017, 17.6522, 7.7349)
Luminance	0.1765 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8640 #861B61

analogous

#2B861B #1B8640 #1B8676

triadic

#1B8640 #401B86 #86401B

tetradic

#1B8640 #1B2B86 #861B61 #86761B

square

#1B8640 #1B2B86 #861B61 #86761B

split-complementary

#1B8640 #761B86 #861B2B

monochromatic

#06200F #115328 #1B8640 #25B958 #42D976

Accessibility & contrast

On white

4.64

#1B8640 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#1B8640 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8640

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8640	#FFFFFF	#000000	##FFFFFF
##1B8640	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#877A3A

Deuteranopia (green-blind)

#7B7145

Tritanopia (blue-blind)

#008376

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1b8640;
/* rgb */ color: rgb(27, 134, 64);
/* oklch */ color: oklch(54.6% 0.141 149.6);

Tailwind

colors: {
  custom: {
    50: '#6aaa76',
    500: '#1b8640',
    950: '#000000',
  },
}

SCSS

$custom: #1b8640;
$custom-light: #6aaa76;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8640",
  "rgb": {
    "r": 27,
    "g": 134,
    "b": 64
  },
  "hsl": {
    "h": 140.748,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.5458,
    "c": 0.14074,
    "h": 149.6
  },
  "luminance": 0.17653
}

Semantic roles & 50–950 ramp

primary

#1B8640

secondary

#B94491

accent

#3EAEE9

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#081008

muted

#7A7F7B

Preview Lab

Preview with #1B8640

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

Preview Lab → · Contrast checker → · Palette generator →