#3F861A#3F861A

#3F861A is a mid, vivid yellow-green. Relative luminance 0.182; OKLCH L 55.3% C 0.156 H 137.5°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F861A
RGB	rgb(63, 134, 26)
HSL	hsl(99, 68%, 31%)
HSV	hsv(99, 81%, 53%)
CMYK	cmyk(53%, 0%, 80.6%, 47.5%)
CIE-LAB	lab(49.71, -41.37, 47.27)
CIE-LCH	lch(49.71, 62.81, 131.19°)
OKLab	oklab(55.28% -0.1147 0.1051)
OKLCH	oklch(55.28% 0.156 137.5)
XYZ	xyz(10.7611, 18.1807, 3.9193)
Luminance	0.1818 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F861A #611A86

analogous

#75861A #3F861A #1A862B

triadic

#3F861A #1A3F86 #861A3F

tetradic

#3F861A #1A7586 #611A86 #862B1A

square

#3F861A #1A7586 #611A86 #862B1A

split-complementary

#3F861A #2B1A86 #861A75

monochromatic

#0F1F06 #275310 #3F861A #57B924 #75DA40

Accessibility & contrast

On white

4.53

#3F861A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3F861A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F861A

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F861A	#FFFFFF	#000000	##000000
##3F861A	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7A00

Deuteranopia (green-blind)

#817426

Tritanopia (blue-blind)

#3A8172

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3f861a;
/* rgb */ color: rgb(63, 134, 26);
/* oklch */ color: oklch(55.3% 0.156 137.5);

Tailwind

colors: {
  custom: {
    50: '#7caa60',
    500: '#3f861a',
    950: '#000000',
  },
}

SCSS

$custom: #3f861a;
$custom-light: #7caa60;
$custom-dark: #000000;

JSON

{
  "hex": "#3f861a",
  "rgb": {
    "r": 63,
    "g": 134,
    "b": 26
  },
  "hsl": {
    "h": 99.444,
    "s": 67.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.55279,
    "c": 0.15554,
    "h": 137.5
  },
  "luminance": 0.18182
}

Semantic roles & 50–950 ramp

primary

#3F861A

secondary

#9142B9

accent

#3DEAAF

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #3F861A

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

Preview Lab → · Contrast checker → · Palette generator →