#3F901A#3F901A

#3F901A is a mid, vivid green. Relative luminance 0.211; OKLCH L 58.0% C 0.168 H 138.3°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F901A
RGB	rgb(63, 144, 26)
HSL	hsl(101, 69%, 33%)
HSV	hsv(101, 82%, 56%)
CMYK	cmyk(56.3%, 0%, 81.9%, 43.5%)
CIE-LAB	lab(53.03, -45.28, 50.38)
CIE-LCH	lch(53.03, 67.74, 131.95°)
OKLab	oklab(58.02% -0.1252 0.1116)
OKLCH	oklch(58.02% 0.168 138.3)
XYZ	xyz(12.2092, 21.0769, 4.4019)
Luminance	0.2108 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F901A #6B1A90

analogous

#7A901A #3F901A #1A9030

triadic

#3F901A #1A3F90 #901A3F

tetradic

#3F901A #1A7A90 #6B1A90 #90301A

square

#3F901A #1A7A90 #6B1A90 #90301A

split-complementary

#3F901A #301A90 #901A7A

monochromatic

#122807 #285C11 #3F901A #56C423 #76DE47

Accessibility & contrast

On white

4.03

#3F901A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#3F901A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F901A

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F901A	#FFFFFF	#000000	##000000
##3F901A	1.00	4.03	5.22	5.22
#FFFFFF	4.03	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)

#8A7C28

Tritanopia (blue-blind)

#388B7A

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f901a;
/* rgb */ color: rgb(63, 144, 26);
/* oklch */ color: oklch(58.0% 0.168 138.3);

Tailwind

colors: {
  custom: {
    50: '#7eb162',
    500: '#3f901a',
    950: '#000000',
  },
}

SCSS

$custom: #3f901a;
$custom-light: #7eb162;
$custom-dark: #000000;

JSON

{
  "hex": "#3f901a",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 26
  },
  "hsl": {
    "h": 101.186,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.58016,
    "c": 0.1677,
    "h": 138.3
  },
  "luminance": 0.21078
}

Semantic roles & 50–950 ramp

primary

#3F901A

secondary

#9947BF

accent

#3CECB5

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1105

muted

#7C807A

Preview Lab

Preview with #3F901A

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

Preview Lab → · Contrast checker → · Palette generator →