#1F580F#1F580F

#1F580F is a dark, moderate green. Relative luminance 0.073; OKLCH L 40.7% C 0.119 H 139.9°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#1F580F
RGB	rgb(31, 88, 15)
HSL	hsl(107, 71%, 20%)
HSV	hsv(107, 83%, 35%)
CMYK	cmyk(64.8%, 0%, 83%, 65.5%)
CIE-LAB	lab(32.49, -33.08, 34.18)
CIE-LCH	lch(32.49, 47.56, 134.06°)
OKLab	oklab(40.71% -0.0908 0.0764)
OKLCH	oklch(40.71% 0.119 139.9)
XYZ	xyz(4.1408, 7.3049, 1.6436)
Luminance	0.0731 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F580F #480F58

analogous

#44580F #1F580F #0F5823

triadic

#1F580F #0F1F58 #580F1F

tetradic

#1F580F #0F4458 #480F58 #58230F

square

#1F580F #0F4458 #480F58 #58230F

split-complementary

#1F580F #230F58 #580F44

monochromatic

#091A04 #0D2406 #1F580F #318C18 #44C121

Accessibility & contrast

On white

8.53

#1F580F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1F580F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F580F

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F580F	#FFFFFF	#000000	##FFFFFF
##1F580F	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B4F01

Deuteranopia (green-blind)

#544B17

Tritanopia (blue-blind)

#18554A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f580f;
/* rgb */ color: rgb(31, 88, 15);
/* oklch */ color: oklch(40.7% 0.119 139.9);

Tailwind

colors: {
  custom: {
    50: '#638854',
    500: '#1f580f',
    950: '#000000',
  },
}

SCSS

$custom: #1f580f;
$custom-light: #638854;
$custom-dark: #000000;

JSON

{
  "hex": "#1f580f",
  "rgb": {
    "r": 31,
    "g": 88,
    "b": 15
  },
  "hsl": {
    "h": 106.849,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.40711,
    "c": 0.11872,
    "h": 139.9
  },
  "luminance": 0.07305
}

Semantic roles & 50–950 ramp

primary

#1F580F

secondary

#7D3192

accent

#3AEEC6

background

#F6F8F5

surface

#EBF0E8

border

#C6CBC4

text

#060B03

muted

#7A7C78

Preview Lab

Preview with #1F580F

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

Preview Lab → · Contrast checker → · Palette generator →