#1B551D#1B551D

#1B551D is a dark, moderate green. Relative luminance 0.068; OKLCH L 39.8% C 0.106 H 143.8°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#1B551D
RGB	rgb(27, 85, 29)
HSL	hsl(122, 52%, 22%)
HSV	hsv(122, 68%, 33%)
CMYK	cmyk(68.2%, 0%, 65.9%, 66.7%)
CIE-LAB	lab(31.39, -31.49, 26.65)
CIE-LCH	lch(31.39, 41.25, 139.76°)
OKLab	oklab(39.8% -0.0854 0.0625)
OKLCH	oklch(39.8% 0.106 143.8)
XYZ	xyz(3.9220, 6.8183, 2.2715)
Luminance	0.0682 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B551D #551B53

analogous

#36551B #1B551D #1B553A

triadic

#1B551D #1D1B55 #551D1B

tetradic

#1B551D #1B3655 #551B53 #553A1B

square

#1B551D #1B3655 #551B53 #553A1B

split-complementary

#1B551D #3A1B55 #551B36

monochromatic

#071708 #0C270D #1B551D #2A832D #39B23D

Accessibility & contrast

On white

8.88

#1B551D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1B551D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B551D

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B551D	#FFFFFF	#000000	##FFFFFF
##1B551D	1.00	8.88	2.36	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D17

Deuteranopia (green-blind)

#504822

Tritanopia (blue-blind)

#0F5349

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b551d;
/* rgb */ color: rgb(27, 85, 29);
/* oklch */ color: oklch(39.8% 0.106 143.8);

Tailwind

colors: {
  custom: {
    50: '#60855b',
    500: '#1b551d',
    950: '#000000',
  },
}

SCSS

$custom: #1b551d;
$custom-light: #60855b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b551d",
  "rgb": {
    "r": 27,
    "g": 85,
    "b": 29
  },
  "hsl": {
    "h": 122.069,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.39803,
    "c": 0.10586,
    "h": 143.8
  },
  "luminance": 0.06819
}

Semantic roles & 50–950 ramp

primary

#1B551D

secondary

#8B4188

accent

#4DD6DB

background

#F5F8F5

surface

#EAEFE9

border

#C6CAC5

text

#050B04

muted

#797C79

Preview Lab

Preview with #1B551D

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

Preview Lab → · Contrast checker → · Palette generator →