#1B5933#1B5933

#1B5933 is a dark, moderate green. Relative luminance 0.076; OKLCH L 41.4% C 0.089 H 152.9°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#1B5933
RGB	rgb(27, 89, 51)
HSL	hsl(143, 53%, 23%)
HSV	hsv(143, 70%, 35%)
CMYK	cmyk(69.7%, 0%, 42.7%, 65.1%)
CIE-LAB	lab(33.17, -29.45, 16.36)
CIE-LCH	lch(33.17, 33.69, 150.94°)
OKLab	oklab(41.38% -0.0796 0.0407)
OKLCH	oklch(41.38% 0.089 152.9)
XYZ	xyz(4.6215, 7.6163, 4.3579)
Luminance	0.0762 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5933 #591B41

analogous

#22591B #1B5933 #1B5952

triadic

#1B5933 #331B59 #59331B

tetradic

#1B5933 #1B2259 #591B41 #59521B

square

#1B5933 #1B2259 #591B41 #59521B

split-complementary

#1B5933 #521B59 #591B22

monochromatic

#07170D #0D2A18 #1B5933 #29884E #37B769

Accessibility & contrast

On white

8.32

#1B5933 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1B5933 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5933

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5933	#FFFFFF	#000000	##FFFFFF
##1B5933	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595130

Deuteranopia (green-blind)

#514C35

Tritanopia (blue-blind)

#01584F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b5933;
/* rgb */ color: rgb(27, 89, 51);
/* oklch */ color: oklch(41.4% 0.089 152.9);

Tailwind

colors: {
  custom: {
    50: '#60886b',
    500: '#1b5933',
    950: '#000000',
  },
}

SCSS

$custom: #1b5933;
$custom-light: #60886b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5933",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 51
  },
  "hsl": {
    "h": 143.226,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.4138,
    "c": 0.08941,
    "h": 152.9
  },
  "luminance": 0.07617
}

Semantic roles & 50–950 ramp

primary

#1B5933

secondary

#8F4171

accent

#4BA4DD

background

#F5F8F6

surface

#EAF0EB

border

#C6CBC6

text

#050B06

muted

#797C7A

Preview Lab

Preview with #1B5933

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

Preview Lab → · Contrast checker → · Palette generator →