#3F9B18#3F9B18

#3F9B18 is a mid, vivid green. Relative luminance 0.246; OKLCH L 61.0% C 0.181 H 138.8°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F9B18
RGB	rgb(63, 155, 24)
HSL	hsl(102, 73%, 35%)
HSV	hsv(102, 85%, 61%)
CMYK	cmyk(59.4%, 0%, 84.5%, 39.2%)
CIE-LAB	lab(56.65, -49.49, 54.26)
CIE-LCH	lch(56.65, 73.44, 132.37°)
OKLab	oklab(61% -0.1366 0.1194)
OKLCH	oklch(61% 0.181 138.8)
XYZ	xyz(13.9356, 24.5642, 4.8710)
Luminance	0.2457 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9B18 #74189B

analogous

#819B18 #3F9B18 #189B32

triadic

#3F9B18 #183F9B #9B183F

tetradic

#3F9B18 #18819B #74189B #9B3218

square

#3F9B18 #18819B #74189B #9B3218

split-complementary

#3F9B18 #32189B #9B1881

monochromatic

#143108 #296610 #3F9B18 #55D020 #78E34A

Accessibility & contrast

On white

3.55

#3F9B18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#3F9B18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9B18

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9B18	#FFFFFF	#000000	##000000
##3F9B18	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08D00

Deuteranopia (green-blind)

#948529

Tritanopia (blue-blind)

#359584

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f9b18;
/* rgb */ color: rgb(63, 155, 24);
/* oklch */ color: oklch(61.0% 0.181 138.8);

Tailwind

colors: {
  custom: {
    50: '#80b963',
    500: '#3f9b18',
    950: '#000000',
  },
}

SCSS

$custom: #3f9b18;
$custom-light: #80b963;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9b18",
  "rgb": {
    "r": 63,
    "g": 155,
    "b": 24
  },
  "hsl": {
    "h": 102.137,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.60999,
    "c": 0.18143,
    "h": 138.8
  },
  "luminance": 0.24565
}

Semantic roles & 50–950 ramp

primary

#3F9B18

secondary

#A04AC5

accent

#38F0B9

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1206

muted

#7C817A

Preview Lab

Preview with #3F9B18

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

Preview Lab → · Contrast checker → · Palette generator →