#3F841C#3F841C

#3F841C is a mid, vivid yellow-green. Relative luminance 0.176; OKLCH L 54.7% C 0.152 H 137.5°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F841C
RGB	rgb(63, 132, 28)
HSL	hsl(100, 65%, 31%)
HSV	hsv(100, 79%, 52%)
CMYK	cmyk(52.3%, 0%, 78.8%, 48.2%)
CIE-LAB	lab(49.06, -40.44, 45.96)
CIE-LCH	lch(49.06, 61.22, 131.34°)
OKLab	oklab(54.74% -0.1121 0.1027)
OKLCH	oklch(54.74% 0.152 137.5)
XYZ	xyz(10.5104, 17.6424, 3.9499)
Luminance	0.1764 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F841C #611C84

analogous

#73841C #3F841C #1C842D

triadic

#3F841C #1C3F84 #841C3F

tetradic

#3F841C #1C7384 #611C84 #842D1C

square

#3F841C #1C7384 #611C84 #842D1C

split-complementary

#3F841C #2D1C84 #841C73

monochromatic

#0F1F07 #275211 #3F841C #57B627 #75D743

Accessibility & contrast

On white

4.64

#3F841C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3F841C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F841C

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F841C	#FFFFFF	#000000	##FFFFFF
##3F841C	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#887803

Deuteranopia (green-blind)

#807227

Tritanopia (blue-blind)

#3A7F70

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3f841c;
/* rgb */ color: rgb(63, 132, 28);
/* oklch */ color: oklch(54.7% 0.152 137.5);

Tailwind

colors: {
  custom: {
    50: '#7ca861',
    500: '#3f841c',
    950: '#000000',
  },
}

SCSS

$custom: #3f841c;
$custom-light: #7ca861;
$custom-dark: #000000;

JSON

{
  "hex": "#3f841c",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 28
  },
  "hsl": {
    "h": 99.808,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.54743,
    "c": 0.15198,
    "h": 137.5
  },
  "luminance": 0.17643
}

Semantic roles & 50–950 ramp

primary

#3F841C

secondary

#9145B7

accent

#40E8AF

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A1005

muted

#7C7F7A

Preview Lab

Preview with #3F841C

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

Preview Lab → · Contrast checker → · Palette generator →