#3F8A1B#3F8A1B

#3F8A1B is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.4% C 0.160 H 137.9°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3F8A1B
RGB	rgb(63, 138, 27)
HSL	hsl(101, 67%, 32%)
HSV	hsv(101, 80%, 54%)
CMYK	cmyk(54.3%, 0%, 80.4%, 45.9%)
CIE-LAB	lab(51.05, -42.89, 48.21)
CIE-LCH	lch(51.05, 64.53, 131.66°)
OKLab	oklab(56.38% -0.1187 0.1072)
OKLCH	oklch(56.38% 0.16 137.9)
XYZ	xyz(11.3358, 19.3120, 4.1669)
Luminance	0.1931 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8A1B #661B8A

analogous

#768A1B #3F8A1B #1B8A2F

triadic

#3F8A1B #1B3F8A #8A1B3F

tetradic

#3F8A1B #1B768A #661B8A #8A2F1B

square

#3F8A1B #1B768A #661B8A #8A2F1B

split-complementary

#3F8A1B #2F1B8A #8A1B76

monochromatic

#102407 #285711 #3F8A1B #56BD25 #75DB45

Accessibility & contrast

On white

4.32

#3F8A1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#3F8A1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8A1B

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8A1B	#FFFFFF	#000000	##000000
##3F8A1B	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7D00

Deuteranopia (green-blind)

#857728

Tritanopia (blue-blind)

#398575

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3f8a1b;
/* rgb */ color: rgb(63, 138, 27);
/* oklch */ color: oklch(56.4% 0.160 137.9);

Tailwind

colors: {
  custom: {
    50: '#7dad61',
    500: '#3f8a1b',
    950: '#000000',
  },
}

SCSS

$custom: #3f8a1b;
$custom-light: #7dad61;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8a1b",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 27
  },
  "hsl": {
    "h": 100.541,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.56382,
    "c": 0.15996,
    "h": 137.9
  },
  "luminance": 0.19313
}

Semantic roles & 50–950 ramp

primary

#3F8A1B

secondary

#9545BC

accent

#3EEAB2

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0A1005

muted

#7C7F7A

Preview Lab

Preview with #3F8A1B

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

Preview Lab → · Contrast checker → · Palette generator →