#3F801F#3F801F

#3F801F is a mid, vivid green. Relative luminance 0.166; OKLCH L 53.7% C 0.145 H 137.5°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3F801F
RGB	rgb(63, 128, 31)
HSL	hsl(100, 61%, 31%)
HSV	hsv(100, 76%, 50%)
CMYK	cmyk(50.8%, 0%, 75.8%, 49.8%)
CIE-LAB	lab(47.74, -38.59, 43.58)
CIE-LCH	lch(47.74, 58.21, 131.52°)
OKLab	oklab(53.67% -0.1069 0.0981)
OKLCH	oklch(53.67% 0.145 137.5)
XYZ	xyz(10.0161, 16.5933, 3.9711)
Luminance	0.1659 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F801F #601F80

analogous

#6F801F #3F801F #1F802F

triadic

#3F801F #1F3F80 #801F3F

tetradic

#3F801F #1F6F80 #601F80 #802F1F

square

#3F801F #1F6F80 #601F80 #802F1F

split-complementary

#3F801F #2F1F80 #801F6F

monochromatic

#0F1D07 #274F13 #3F801F #57B12B #75D247

Accessibility & contrast

On white

4.86

#3F801F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3F801F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F801F

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F801F	#FFFFFF	#000000	##FFFFFF
##3F801F	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#84750C

Deuteranopia (green-blind)

#7C6F29

Tritanopia (blue-blind)

#3B7B6D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3f801f;
/* rgb */ color: rgb(63, 128, 31);
/* oklch */ color: oklch(53.7% 0.145 137.5);

Tailwind

colors: {
  custom: {
    50: '#7ba562',
    500: '#3f801f',
    950: '#000000',
  },
}

SCSS

$custom: #3f801f;
$custom-light: #7ba562;
$custom-dark: #000000;

JSON

{
  "hex": "#3f801f",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 31
  },
  "hsl": {
    "h": 100.206,
    "s": 61.006,
    "l": 31.176
  },
  "oklch": {
    "l": 0.53666,
    "c": 0.14509,
    "h": 137.5
  },
  "luminance": 0.16594
}

Semantic roles & 50–950 ramp

primary

#3F801F

secondary

#9048B3

accent

#44E4AF

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A0F05

muted

#7C7F7A

Preview Lab

Preview with #3F801F

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

Preview Lab → · Contrast checker → · Palette generator →