#3F931F#3F931F

#3F931F is a mid, vivid green. Relative luminance 0.220; OKLCH L 58.9% C 0.169 H 138.9°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3F931F
RGB	rgb(63, 147, 31)
HSL	hsl(103, 65%, 35%)
HSV	hsv(103, 79%, 58%)
CMYK	cmyk(57.1%, 0%, 78.9%, 42.4%)
CIE-LAB	lab(54.05, -46.12, 49.75)
CIE-LCH	lch(54.05, 67.84, 132.83°)
OKLab	oklab(58.86% -0.1272 0.111)
OKLCH	oklch(58.86% 0.169 138.9)
XYZ	xyz(12.7304, 22.0221, 4.8759)
Luminance	0.2202 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F931F #731F93

analogous

#79931F #3F931F #1F9339

triadic

#3F931F #1F3F93 #931F3F

tetradic

#3F931F #1F7993 #731F93 #93391F

square

#3F931F #1F7993 #731F93 #93391F

split-complementary

#3F931F #391F93 #931F79

monochromatic

#142E0A #296014 #3F931F #55C62A #78DA52

Accessibility & contrast

On white

3.89

#3F931F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#3F931F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F931F

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F931F	#FFFFFF	#000000	##000000
##3F931F	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#988501

Deuteranopia (green-blind)

#8D7F2C

Tritanopia (blue-blind)

#378E7D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3f931f;
/* rgb */ color: rgb(63, 147, 31);
/* oklch */ color: oklch(58.9% 0.169 138.9);

Tailwind

colors: {
  custom: {
    50: '#7eb364',
    500: '#3f931f',
    950: '#000000',
  },
}

SCSS

$custom: #3f931f;
$custom-light: #7eb364;
$custom-dark: #000000;

JSON

{
  "hex": "#3f931f",
  "rgb": {
    "r": 63,
    "g": 147,
    "b": 31
  },
  "hsl": {
    "h": 103.448,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.58863,
    "c": 0.16881,
    "h": 138.9
  },
  "luminance": 0.22023
}

Semantic roles & 50–950 ramp

primary

#3F931F

secondary

#9F50BE

accent

#40E8BA

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #3F931F

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

Preview Lab → · Contrast checker → · Palette generator →