#3B901F#3B901F

#3B901F is a mid, vivid green. Relative luminance 0.210; OKLCH L 57.9% C 0.167 H 139.4°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#3B901F
RGB	rgb(59, 144, 31)
HSL	hsl(105, 65%, 34%)
HSV	hsv(105, 78%, 56%)
CMYK	cmyk(59%, 0%, 78.5%, 43.5%)
CIE-LAB	lab(52.92, -46.08, 48.62)
CIE-LCH	lch(52.92, 66.98, 133.46°)
OKLab	oklab(57.89% -0.1268 0.1087)
OKLCH	oklch(57.89% 0.167 139.4)
XYZ	xyz(12.0237, 20.9742, 4.7109)
Luminance	0.2097 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B901F #741F90

analogous

#74901F #3B901F #1F903C

triadic

#3B901F #1F3B90 #901F3B

tetradic

#3B901F #1F7490 #741F90 #903C1F

square

#3B901F #1F7490 #741F90 #903C1F

split-complementary

#3B901F #3C1F90 #901F74

monochromatic

#122B09 #265E14 #3B901F #50C22A #72D950

Accessibility & contrast

On white

4.04

#3B901F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#3B901F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B901F

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B901F	#FFFFFF	#000000	##000000
##3B901F	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948303

Deuteranopia (green-blind)

#8A7C2C

Tritanopia (blue-blind)

#318B7B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3b901f;
/* rgb */ color: rgb(59, 144, 31);
/* oklch */ color: oklch(57.9% 0.167 139.4);

Tailwind

colors: {
  custom: {
    50: '#7bb164',
    500: '#3b901f',
    950: '#000000',
  },
}

SCSS

$custom: #3b901f;
$custom-light: #7bb164;
$custom-dark: #000000;

JSON

{
  "hex": "#3b901f",
  "rgb": {
    "r": 59,
    "g": 144,
    "b": 31
  },
  "hsl": {
    "h": 105.133,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.57893,
    "c": 0.16701,
    "h": 139.4
  },
  "luminance": 0.20975
}

Semantic roles & 50–950 ramp

primary

#3B901F

secondary

#A14EBC

accent

#40E8BE

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0A1106

muted

#7C807A

Preview Lab

Preview with #3B901F

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

Preview Lab → · Contrast checker → · Palette generator →