#3F8F18#3F8F18

#3F8F18 is a mid, vivid green. Relative luminance 0.208; OKLCH L 57.7% C 0.167 H 138.1°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3F8F18
RGB	rgb(63, 143, 24)
HSL	hsl(100, 71%, 33%)
HSV	hsv(100, 83%, 56%)
CMYK	cmyk(55.9%, 0%, 83.2%, 43.9%)
CIE-LAB	lab(52.69, -45.00, 50.66)
CIE-LCH	lch(52.69, 67.76, 131.62°)
OKLab	oklab(57.73% -0.1246 0.1119)
OKLCH	oklch(57.73% 0.167 138.1)
XYZ	xyz(12.0368, 20.7667, 4.2380)
Luminance	0.2077 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8F18 #68188F

analogous

#7A8F18 #3F8F18 #188F2C

triadic

#3F8F18 #183F8F #8F183F

tetradic

#3F8F18 #187A8F #68188F #8F2C18

square

#3F8F18 #187A8F #68188F #8F2C18

split-complementary

#3F8F18 #2C188F #8F187A

monochromatic

#112606 #285B0F #3F8F18 #56C321 #76DF42

Accessibility & contrast

On white

4.07

#3F8F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#3F8F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8F18

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8F18	#FFFFFF	#000000	##000000
##3F8F18	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948200

Deuteranopia (green-blind)

#8A7B27

Tritanopia (blue-blind)

#388A7A

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f8f18;
/* rgb */ color: rgb(63, 143, 24);
/* oklch */ color: oklch(57.7% 0.167 138.1);

Tailwind

colors: {
  custom: {
    50: '#7eb061',
    500: '#3f8f18',
    950: '#000000',
  },
}

SCSS

$custom: #3f8f18;
$custom-light: #7eb061;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8f18",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 24
  },
  "hsl": {
    "h": 100.336,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.57732,
    "c": 0.16742,
    "h": 138.1
  },
  "luminance": 0.20768
}

Semantic roles & 50–950 ramp

primary

#3F8F18

secondary

#9743C0

accent

#3AEEB3

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1105

muted

#7C807A

Preview Lab

Preview with #3F8F18

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

Preview Lab → · Contrast checker → · Palette generator →