#3F9F18#3F9F18

#3F9F18 is a light, vivid green. Relative luminance 0.259; OKLCH L 62.1% C 0.186 H 139.0°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#3F9F18
RGB	rgb(63, 159, 24)
HSL	hsl(103, 74%, 36%)
HSV	hsv(103, 85%, 62%)
CMYK	cmyk(60.4%, 0%, 84.9%, 37.6%)
CIE-LAB	lab(57.96, -50.94, 55.44)
CIE-LCH	lch(57.96, 75.28, 132.58°)
OKLab	oklab(62.08% -0.1405 0.1219)
OKLCH	oklch(62.08% 0.186 139)
XYZ	xyz(14.6123, 25.9177, 5.0966)
Luminance	0.2592 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9F18 #78189F

analogous

#829F18 #3F9F18 #189F35

triadic

#3F9F18 #183F9F #9F183F

tetradic

#3F9F18 #18829F #78189F #9F3518

square

#3F9F18 #18829F #78189F #9F3518

split-complementary

#3F9F18 #35189F #9F1882

monochromatic

#153508 #2A6A10 #3F9F18 #54D420 #79E44D

Accessibility & contrast

On white

3.40

#3F9F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#3F9F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9F18

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9F18	#FFFFFF	#000000	##000000
##3F9F18	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49000

Deuteranopia (green-blind)

#98882A

Tritanopia (blue-blind)

#349987

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3f9f18;
/* rgb */ color: rgb(63, 159, 24);
/* oklch */ color: oklch(62.1% 0.186 139.0);

Tailwind

colors: {
  custom: {
    50: '#80bc63',
    500: '#3f9f18',
    950: '#000000',
  },
}

SCSS

$custom: #3f9f18;
$custom-light: #80bc63;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9f18",
  "rgb": {
    "r": 63,
    "g": 159,
    "b": 24
  },
  "hsl": {
    "h": 102.667,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.62082,
    "c": 0.18599,
    "h": 139
  },
  "luminance": 0.25919
}

Semantic roles & 50–950 ramp

primary

#3F9F18

secondary

#A34DC6

accent

#37F0BB

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0B1206

muted

#7C817A

Preview Lab

Preview with #3F9F18

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

Preview Lab → · Contrast checker → · Palette generator →