#3F901F#3F901F

#3F901F is a mid, vivid green. Relative luminance 0.211; OKLCH L 58.0% C 0.165 H 138.7°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F901F
RGB	rgb(63, 144, 31)
HSL	hsl(103, 65%, 34%)
HSV	hsv(103, 78%, 56%)
CMYK	cmyk(56.3%, 0%, 78.5%, 43.5%)
CIE-LAB	lab(53.06, -44.97, 48.80)
CIE-LCH	lch(53.06, 66.36, 132.66°)
OKLab	oklab(58.05% -0.1241 0.109)
OKLCH	oklch(58.05% 0.165 138.7)
XYZ	xyz(12.2700, 21.1012, 4.7224)
Luminance	0.2110 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F901F #701F90

analogous

#78901F #3F901F #1F9038

triadic

#3F901F #1F3F90 #901F3F

tetradic

#3F901F #1F7890 #701F90 #90381F

square

#3F901F #1F7890 #701F90 #90381F

split-complementary

#3F901F #381F90 #901F78

monochromatic

#132B09 #295E14 #3F901F #55C22A #77D950

Accessibility & contrast

On white

4.02

#3F901F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#3F901F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F901F

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F901F	#FFFFFF	#000000	##000000
##3F901F	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948303

Deuteranopia (green-blind)

#8A7C2B

Tritanopia (blue-blind)

#378B7B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f901f;
/* rgb */ color: rgb(63, 144, 31);
/* oklch */ color: oklch(58.0% 0.165 138.7);

Tailwind

colors: {
  custom: {
    50: '#7db164',
    500: '#3f901f',
    950: '#000000',
  },
}

SCSS

$custom: #3f901f;
$custom-light: #7db164;
$custom-dark: #000000;

JSON

{
  "hex": "#3f901f",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 31
  },
  "hsl": {
    "h": 103.009,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.58046,
    "c": 0.16518,
    "h": 138.7
  },
  "luminance": 0.21102
}

Semantic roles & 50–950 ramp

primary

#3F901F

secondary

#9D4EBC

accent

#40E8B8

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #3F901F

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

Preview Lab → · Contrast checker → · Palette generator →