#1B8639#1B8639

#1B8639 is a mid, vivid green. Relative luminance 0.176; OKLCH L 54.5% C 0.147 H 147.8°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#1B8639
RGB	rgb(27, 134, 57)
HSL	hsl(137, 66%, 32%)
HSV	hsv(137, 80%, 53%)
CMYK	cmyk(79.9%, 0%, 57.5%, 47.5%)
CIE-LAB	lab(48.98, -46.31, 32.88)
CIE-LCH	lch(48.98, 56.79, 144.63°)
OKLab	oklab(54.47% -0.1245 0.0785)
OKLCH	oklch(54.47% 0.147 147.8)
XYZ	xyz(9.7148, 17.5775, 6.7509)
Luminance	0.1758 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8639 #861B68

analogous

#33861B #1B8639 #1B866F

triadic

#1B8639 #391B86 #86391B

tetradic

#1B8639 #1B3386 #861B68 #866F1B

square

#1B8639 #1B3386 #861B68 #866F1B

split-complementary

#1B8639 #6F1B86 #861B33

monochromatic

#06200E #115323 #1B8639 #25B94F #42D96D

Accessibility & contrast

On white

4.65

#1B8639 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#1B8639 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8639

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8639	#FFFFFF	#000000	##FFFFFF
##1B8639	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#877932

Deuteranopia (green-blind)

#7C713F

Tritanopia (blue-blind)

#008375

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #1b8639;
/* rgb */ color: rgb(27, 134, 57);
/* oklch */ color: oklch(54.5% 0.147 147.8);

Tailwind

colors: {
  custom: {
    50: '#6baa71',
    500: '#1b8639',
    950: '#000000',
  },
}

SCSS

$custom: #1b8639;
$custom-light: #6baa71;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8639",
  "rgb": {
    "r": 27,
    "g": 134,
    "b": 57
  },
  "hsl": {
    "h": 136.822,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.54474,
    "c": 0.14716,
    "h": 147.8
  },
  "luminance": 0.17579
}

Semantic roles & 50–950 ramp

primary

#1B8639

secondary

#B94498

accent

#3EB9E9

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#081008

muted

#7A7F7B

Preview Lab

Preview with #1B8639

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

Preview Lab → · Contrast checker → · Palette generator →