#1B552A#1B552A

#1B552A is a dark, moderate green. Relative luminance 0.069; OKLCH L 40.0% C 0.093 H 148.9°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#1B552A
RGB	rgb(27, 85, 42)
HSL	hsl(136, 52%, 22%)
HSV	hsv(136, 68%, 33%)
CMYK	cmyk(68.2%, 0%, 50.6%, 66.7%)
CIE-LAB	lab(31.57, -29.43, 19.64)
CIE-LCH	lch(31.57, 35.38, 146.29°)
OKLab	oklab(40.01% -0.0795 0.048)
OKLCH	oklch(40.01% 0.093 148.9)
XYZ	xyz(4.1181, 6.8968, 3.3042)
Luminance	0.0690 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B552A #551B46

analogous

#29551B #1B552A #1B5547

triadic

#1B552A #2A1B55 #552A1B

tetradic

#1B552A #1B2955 #551B46 #55471B

square

#1B552A #1B2955 #551B46 #55471B

split-complementary

#1B552A #471B55 #551B29

monochromatic

#07170B #0C2713 #1B552A #2A8341 #39B258

Accessibility & contrast

On white

8.83

#1B552A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1B552A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B552A

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B552A	#FFFFFF	#000000	##FFFFFF
##1B552A	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D27

Deuteranopia (green-blind)

#4E482D

Tritanopia (blue-blind)

#09534B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b552a;
/* rgb */ color: rgb(27, 85, 42);
/* oklch */ color: oklch(40.0% 0.093 148.9);

Tailwind

colors: {
  custom: {
    50: '#5f8564',
    500: '#1b552a',
    950: '#000000',
  },
}

SCSS

$custom: #1b552a;
$custom-light: #5f8564;
$custom-dark: #000000;

JSON

{
  "hex": "#1b552a",
  "rgb": {
    "r": 27,
    "g": 85,
    "b": 42
  },
  "hsl": {
    "h": 135.517,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.40011,
    "c": 0.09283,
    "h": 148.9
  },
  "luminance": 0.06897
}

Semantic roles & 50–950 ramp

primary

#1B552A

secondary

#8B4178

accent

#4DB6DB

background

#F5F8F6

surface

#EAEFEB

border

#C6CAC6

text

#050B05

muted

#797C7A

Preview Lab

Preview with #1B552A

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

Preview Lab → · Contrast checker → · Palette generator →