#1B5928#1B5928

#1B5928 is a dark, moderate green. Relative luminance 0.075; OKLCH L 41.2% C 0.101 H 147.4°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#1B5928
RGB	rgb(27, 89, 40)
HSL	hsl(133, 53%, 23%)
HSV	hsv(133, 70%, 35%)
CMYK	cmyk(69.7%, 0%, 55.1%, 65.1%)
CIE-LAB	lab(32.99, -31.52, 22.56)
CIE-LCH	lch(32.99, 38.76, 144.41°)
OKLab	oklab(41.17% -0.0851 0.0545)
OKLCH	oklch(41.17% 0.101 147.4)
XYZ	xyz(4.4071, 7.5305, 3.2284)
Luminance	0.0753 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5928 #591B4C

analogous

#2D591B #1B5928 #1B5947

triadic

#1B5928 #281B59 #59281B

tetradic

#1B5928 #1B2D59 #591B4C #59471B

square

#1B5928 #1B2D59 #591B4C #59471B

split-complementary

#1B5928 #471B59 #591B2D

monochromatic

#07170B #0D2A13 #1B5928 #29883D #37B752

Accessibility & contrast

On white

8.38

#1B5928 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1B5928 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5928

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5928	#FFFFFF	#000000	##FFFFFF
##1B5928	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5124

Deuteranopia (green-blind)

#524B2C

Tritanopia (blue-blind)

#08574E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b5928;
/* rgb */ color: rgb(27, 89, 40);
/* oklch */ color: oklch(41.2% 0.101 147.4);

Tailwind

colors: {
  custom: {
    50: '#608863',
    500: '#1b5928',
    950: '#000000',
  },
}

SCSS

$custom: #1b5928;
$custom-light: #608863;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5928",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 40
  },
  "hsl": {
    "h": 132.581,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.41167,
    "c": 0.10103,
    "h": 147.4
  },
  "luminance": 0.07531
}

Semantic roles & 50–950 ramp

primary

#1B5928

secondary

#8F417E

accent

#4BBEDD

background

#F5F8F5

surface

#EAF0EA

border

#C6CBC6

text

#050B05

muted

#797C79

Preview Lab

Preview with #1B5928

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

Preview Lab → · Contrast checker → · Palette generator →