#3F871A#3F871A

#3F871A is a mid, vivid yellow-green. Relative luminance 0.185; OKLCH L 55.6% C 0.157 H 137.6°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F871A
RGB	rgb(63, 135, 26)
HSL	hsl(100, 68%, 32%)
HSV	hsv(100, 81%, 53%)
CMYK	cmyk(53.3%, 0%, 80.7%, 47.1%)
CIE-LAB	lab(50.05, -41.77, 47.58)
CIE-LCH	lch(50.05, 63.31, 131.28°)
OKLab	oklab(55.55% -0.1158 0.1057)
OKLCH	oklch(55.55% 0.157 137.6)
XYZ	xyz(10.9000, 18.4585, 3.9655)
Luminance	0.1846 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F871A #621A87

analogous

#76871A #3F871A #1A872C

triadic

#3F871A #1A3F87 #871A3F

tetradic

#3F871A #1A7687 #621A87 #872C1A

square

#3F871A #1A7687 #621A87 #872C1A

split-complementary

#3F871A #2C1A87 #871A76

monochromatic

#0F2006 #275410 #3F871A #57BA24 #75DA41

Accessibility & contrast

On white

4.48

#3F871A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#3F871A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F871A

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F871A	#FFFFFF	#000000	##000000
##3F871A	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7B00

Deuteranopia (green-blind)

#827526

Tritanopia (blue-blind)

#3A8273

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3f871a;
/* rgb */ color: rgb(63, 135, 26);
/* oklch */ color: oklch(55.6% 0.157 137.6);

Tailwind

colors: {
  custom: {
    50: '#7cab60',
    500: '#3f871a',
    950: '#000000',
  },
}

SCSS

$custom: #3f871a;
$custom-light: #7cab60;
$custom-dark: #000000;

JSON

{
  "hex": "#3f871a",
  "rgb": {
    "r": 63,
    "g": 135,
    "b": 26
  },
  "hsl": {
    "h": 99.633,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.55553,
    "c": 0.15678,
    "h": 137.6
  },
  "luminance": 0.18459
}

Semantic roles & 50–950 ramp

primary

#3F871A

secondary

#9242BA

accent

#3DEBB0

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #3F871A

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

Preview Lab → · Contrast checker → · Palette generator →