#3F901D#3F901D

#3F901D is a mid, vivid green. Relative luminance 0.211; OKLCH L 58.0% C 0.166 H 138.5°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F901D
RGB	rgb(63, 144, 29)
HSL	hsl(102, 66%, 34%)
HSV	hsv(102, 80%, 56%)
CMYK	cmyk(56.3%, 0%, 79.9%, 43.5%)
CIE-LAB	lab(53.05, -45.10, 49.45)
CIE-LCH	lch(53.05, 66.93, 132.36°)
OKLab	oklab(58.03% -0.1245 0.1101)
OKLCH	oklch(58.03% 0.166 138.5)
XYZ	xyz(12.2445, 21.0910, 4.5879)
Luminance	0.2109 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F901D #6E1D90

analogous

#79901D #3F901D #1D9035

triadic

#3F901D #1D3F90 #901D3F

tetradic

#3F901D #1D7990 #6E1D90 #90351D

square

#3F901D #1D7990 #6E1D90 #90351D

split-complementary

#3F901D #351D90 #901D79

monochromatic

#122A08 #295D13 #3F901D #55C327 #77DB4C

Accessibility & contrast

On white

4.02

#3F901D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#3F901D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F901D

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F901D	#FFFFFF	#000000	##000000
##3F901D	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)

#958300

Deuteranopia (green-blind)

#8A7C2A

Tritanopia (blue-blind)

#378B7B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f901d;
/* rgb */ color: rgb(63, 144, 29);
/* oklch */ color: oklch(58.0% 0.166 138.5);

Tailwind

colors: {
  custom: {
    50: '#7db163',
    500: '#3f901d',
    950: '#000000',
  },
}

SCSS

$custom: #3f901d;
$custom-light: #7db163;
$custom-dark: #000000;

JSON

{
  "hex": "#3f901d",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 29
  },
  "hsl": {
    "h": 102.261,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.58033,
    "c": 0.16623,
    "h": 138.5
  },
  "luminance": 0.21092
}

Semantic roles & 50–950 ramp

primary

#3F901D

secondary

#9C4BBD

accent

#3EE9B7

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #3F901D

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

Preview Lab → · Contrast checker → · Palette generator →