#3F891B#3F891B

#3F891B is a mid, vivid green. Relative luminance 0.190; OKLCH L 56.1% C 0.159 H 137.8°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F891B
RGB	rgb(63, 137, 27)
HSL	hsl(100, 67%, 32%)
HSV	hsv(100, 80%, 54%)
CMYK	cmyk(54%, 0%, 80.3%, 46.3%)
CIE-LAB	lab(50.72, -42.50, 47.89)
CIE-LCH	lch(50.72, 64.03, 131.59°)
OKLab	oklab(56.11% -0.1177 0.1065)
OKLCH	oklch(56.11% 0.159 137.8)
XYZ	xyz(11.1930, 19.0264, 4.1193)
Luminance	0.1903 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F891B #651B89

analogous

#76891B #3F891B #1B892E

triadic

#3F891B #1B3F89 #891B3F

tetradic

#3F891B #1B7689 #651B89 #892E1B

square

#3F891B #1B7689 #651B89 #892E1B

split-complementary

#3F891B #2E1B89 #891B76

monochromatic

#102307 #275611 #3F891B #57BC25 #75DA44

Accessibility & contrast

On white

4.37

#3F891B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#3F891B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F891B

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F891B	#FFFFFF	#000000	##000000
##3F891B	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D00

Deuteranopia (green-blind)

#847628

Tritanopia (blue-blind)

#398475

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3f891b;
/* rgb */ color: rgb(63, 137, 27);
/* oklch */ color: oklch(56.1% 0.159 137.8);

Tailwind

colors: {
  custom: {
    50: '#7cac61',
    500: '#3f891b',
    950: '#000000',
  },
}

SCSS

$custom: #3f891b;
$custom-light: #7cac61;
$custom-dark: #000000;

JSON

{
  "hex": "#3f891b",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 27
  },
  "hsl": {
    "h": 100.364,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56108,
    "c": 0.15873,
    "h": 137.8
  },
  "luminance": 0.19027
}

Semantic roles & 50–950 ramp

primary

#3F891B

secondary

#9544BC

accent

#3EEAB2

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0A1005

muted

#7C7F7A

Preview Lab

Preview with #3F891B

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

Preview Lab → · Contrast checker → · Palette generator →