#3F901C#3F901C

#3F901C is a mid, vivid green. Relative luminance 0.211; OKLCH L 58.0% C 0.167 H 138.4°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F901C
RGB	rgb(63, 144, 28)
HSL	hsl(102, 67%, 34%)
HSV	hsv(102, 81%, 56%)
CMYK	cmyk(56.3%, 0%, 80.6%, 43.5%)
CIE-LAB	lab(53.04, -45.16, 49.77)
CIE-LCH	lch(53.04, 67.21, 132.22°)
OKLab	oklab(58.03% -0.1248 0.1106)
OKLCH	oklch(58.03% 0.167 138.4)
XYZ	xyz(12.2323, 21.0861, 4.5238)
Luminance	0.2109 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F901C #6D1C90

analogous

#79901C #3F901C #1C9033

triadic

#3F901C #1C3F90 #901C3F

tetradic

#3F901C #1C7990 #6D1C90 #90331C

square

#3F901C #1C7990 #6D1C90 #90331C

split-complementary

#3F901C #331C90 #901C79

monochromatic

#122A08 #295D12 #3F901C #55C326 #76DC4A

Accessibility & contrast

On white

4.02

#3F901C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#3F901C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F901C

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F901C	#FFFFFF	#000000	##000000
##3F901C	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)

#8A7C29

Tritanopia (blue-blind)

#388B7B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f901c;
/* rgb */ color: rgb(63, 144, 28);
/* oklch */ color: oklch(58.0% 0.167 138.4);

Tailwind

colors: {
  custom: {
    50: '#7eb162',
    500: '#3f901c',
    950: '#000000',
  },
}

SCSS

$custom: #3f901c;
$custom-light: #7eb162;
$custom-dark: #000000;

JSON

{
  "hex": "#3f901c",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 28
  },
  "hsl": {
    "h": 101.897,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.58027,
    "c": 0.16673,
    "h": 138.4
  },
  "luminance": 0.21087
}

Semantic roles & 50–950 ramp

primary

#3F901C

secondary

#9B4ABE

accent

#3DEAB6

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #3F901C

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

Preview Lab → · Contrast checker → · Palette generator →