#3F971C#3F971C

#3F971C is a mid, vivid green. Relative luminance 0.233; OKLCH L 59.9% C 0.175 H 138.9°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#3F971C
RGB	rgb(63, 151, 28)
HSL	hsl(103, 69%, 35%)
HSV	hsv(103, 81%, 59%)
CMYK	cmyk(58.3%, 0%, 81.5%, 40.8%)
CIE-LAB	lab(55.35, -47.80, 51.94)
CIE-LCH	lch(55.35, 70.59, 132.63°)
OKLab	oklab(59.93% -0.1319 0.1151)
OKLCH	oklch(59.93% 0.175 138.9)
XYZ	xyz(13.3256, 23.2727, 4.8882)
Luminance	0.2327 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F971C #741C97

analogous

#7C971C #3F971C #1C9737

triadic

#3F971C #1C3F97 #971C3F

tetradic

#3F971C #1C7C97 #741C97 #97371C

square

#3F971C #1C7C97 #741C97 #97371C

split-complementary

#3F971C #371C97 #971C7C

monochromatic

#143009 #296312 #3F971C #55CB26 #78DE4F

Accessibility & contrast

On white

3.71

#3F971C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#3F971C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F971C

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F971C	#FFFFFF	#000000	##000000
##3F971C	1.00	3.71	5.65	5.65
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9C8900

Deuteranopia (green-blind)

#91822B

Tritanopia (blue-blind)

#369281

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f971c;
/* rgb */ color: rgb(63, 151, 28);
/* oklch */ color: oklch(59.9% 0.175 138.9);

Tailwind

colors: {
  custom: {
    50: '#7fb664',
    500: '#3f971c',
    950: '#000000',
  },
}

SCSS

$custom: #3f971c;
$custom-light: #7fb664;
$custom-dark: #000000;

JSON

{
  "hex": "#3f971c",
  "rgb": {
    "r": 63,
    "g": 151,
    "b": 28
  },
  "hsl": {
    "h": 102.927,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.59933,
    "c": 0.17506,
    "h": 138.9
  },
  "luminance": 0.23274
}

Semantic roles & 50–950 ramp

primary

#3F971C

secondary

#A04EC1

accent

#3CECBA

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #3F971C

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

Preview Lab → · Contrast checker → · Palette generator →