#3F871B#3F871B

#3F871B is a mid, vivid green. Relative luminance 0.185; OKLCH L 55.6% C 0.156 H 137.7°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F871B
RGB	rgb(63, 135, 27)
HSL	hsl(100, 67%, 32%)
HSV	hsv(100, 80%, 53%)
CMYK	cmyk(53.3%, 0%, 80%, 47.1%)
CIE-LAB	lab(50.05, -41.71, 47.26)
CIE-LCH	lch(50.05, 63.03, 131.43°)
OKLab	oklab(55.56% -0.1155 0.1052)
OKLCH	oklch(55.56% 0.156 137.7)
XYZ	xyz(10.9113, 18.4630, 4.0254)
Luminance	0.1846 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F871B #631B87

analogous

#75871B #3F871B #1B872D

triadic

#3F871B #1B3F87 #871B3F

tetradic

#3F871B #1B7587 #631B87 #872D1B

square

#3F871B #1B7587 #631B87 #872D1B

split-complementary

#3F871B #2D1B87 #871B75

monochromatic

#0F2107 #275411 #3F871B #57BA25 #75D943

Accessibility & contrast

On white

4.47

#3F871B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#3F871B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F871B

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F871B	#FFFFFF	#000000	##000000
##3F871B	1.00	4.47	4.69	4.69
#FFFFFF	4.47	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)

#827527

Tritanopia (blue-blind)

#3A8273

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3f871b;
/* rgb */ color: rgb(63, 135, 27);
/* oklch */ color: oklch(55.6% 0.156 137.7);

Tailwind

colors: {
  custom: {
    50: '#7cab61',
    500: '#3f871b',
    950: '#000000',
  },
}

SCSS

$custom: #3f871b;
$custom-light: #7cab61;
$custom-dark: #000000;

JSON

{
  "hex": "#3f871b",
  "rgb": {
    "r": 63,
    "g": 135,
    "b": 27
  },
  "hsl": {
    "h": 100,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.5556,
    "c": 0.15626,
    "h": 137.7
  },
  "luminance": 0.18464
}

Semantic roles & 50–950 ramp

primary

#3F871B

secondary

#9344BA

accent

#3EEAB0

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A1005

muted

#7C7F7A

Preview Lab

Preview with #3F871B

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

Preview Lab → · Contrast checker → · Palette generator →