#1B570F#1B570F

#1B570F is a dark, moderate green. Relative luminance 0.071; OKLCH L 40.3% C 0.119 H 140.8°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#1B570F
RGB	rgb(27, 87, 15)
HSL	hsl(110, 71%, 20%)
HSV	hsv(110, 83%, 34%)
CMYK	cmyk(69%, 0%, 82.8%, 65.9%)
CIE-LAB	lab(32.00, -33.75, 33.65)
CIE-LCH	lch(32.00, 47.66, 135.08°)
OKLab	oklab(40.27% -0.0924 0.0754)
OKLCH	oklch(40.27% 0.119 140.8)
XYZ	xyz(3.9462, 7.0835, 1.6111)
Luminance	0.0708 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B570F #4B0F57

analogous

#3F570F #1B570F #0F5727

triadic

#1B570F #0F1B57 #570F1B

tetradic

#1B570F #0F3F57 #4B0F57 #57270F

square

#1B570F #0F3F57 #4B0F57 #57270F

split-complementary

#1B570F #270F57 #570F3F

monochromatic

#081A05 #0B2306 #1B570F #2B8B18 #3BBF21

Accessibility & contrast

On white

8.69

#1B570F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1B570F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B570F

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B570F	#FFFFFF	#000000	##FFFFFF
##1B570F	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E01

Deuteranopia (green-blind)

#524917

Tritanopia (blue-blind)

#115449

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1b570f;
/* rgb */ color: rgb(27, 87, 15);
/* oklch */ color: oklch(40.3% 0.119 140.8);

Tailwind

colors: {
  custom: {
    50: '#618753',
    500: '#1b570f',
    950: '#000000',
  },
}

SCSS

$custom: #1b570f;
$custom-light: #618753;
$custom-dark: #000000;

JSON

{
  "hex": "#1b570f",
  "rgb": {
    "r": 27,
    "g": 87,
    "b": 15
  },
  "hsl": {
    "h": 110,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.40265,
    "c": 0.11922,
    "h": 140.8
  },
  "luminance": 0.07084
}

Semantic roles & 50–950 ramp

primary

#1B570F

secondary

#813191

accent

#3AEDD0

background

#F6F8F4

surface

#EBEFE8

border

#C6CAC4

text

#050B03

muted

#7A7C78

Preview Lab

Preview with #1B570F

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

Preview Lab → · Contrast checker → · Palette generator →