#1F571F#1F571F

#1F571F is a dark, moderate green. Relative luminance 0.072; OKLCH L 40.6% C 0.105 H 143.3°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#1F571F
RGB	rgb(31, 87, 31)
HSL	hsl(120, 47%, 23%)
HSV	hsv(120, 64%, 34%)
CMYK	cmyk(64.4%, 0%, 64.4%, 65.9%)
CIE-LAB	lab(32.27, -31.01, 26.65)
CIE-LCH	lch(32.27, 40.89, 139.32°)
OKLab	oklab(40.58% -0.0843 0.0627)
OKLCH	oklch(40.58% 0.105 143.3)
XYZ	xyz(4.2204, 7.2062, 2.4646)
Luminance	0.0721 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F571F #571F57

analogous

#3B571F #1F571F #1F573B

triadic

#1F571F #1F1F57 #571F1F

tetradic

#1F571F #1F3B57 #571F57 #573B1F

square

#1F571F #1F3B57 #571F57 #573B1F

split-complementary

#1F571F #3B1F57 #571F3B

monochromatic

#081708 #0F2A0F #1F571F #2F842F #3FB13F

Accessibility & contrast

On white

8.60

#1F571F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1F571F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F571F

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F571F	#FFFFFF	#000000	##FFFFFF
##1F571F	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F19

Deuteranopia (green-blind)

#524A23

Tritanopia (blue-blind)

#15544B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f571f;
/* rgb */ color: rgb(31, 87, 31);
/* oklch */ color: oklch(40.6% 0.105 143.3);

Tailwind

colors: {
  custom: {
    50: '#62875d',
    500: '#1f571f',
    950: '#000000',
  },
}

SCSS

$custom: #1f571f;
$custom-light: #62875d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f571f",
  "rgb": {
    "r": 31,
    "g": 87,
    "b": 31
  },
  "hsl": {
    "h": 120,
    "s": 47.458,
    "l": 23.137
  },
  "oklch": {
    "l": 0.40576,
    "c": 0.10505,
    "h": 143.3
  },
  "luminance": 0.07207
}

Semantic roles & 50–950 ramp

primary

#1F571F

secondary

#8C468C

accent

#51D7D7

background

#F6F8F5

surface

#EBEFE9

border

#C6CAC5

text

#050B04

muted

#7A7C79

Preview Lab

Preview with #1F571F

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

Preview Lab → · Contrast checker → · Palette generator →