#3F9E17#3F9E17

#3F9E17 is a mid, vivid green. Relative luminance 0.256; OKLCH L 61.8% C 0.185 H 138.9°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#3F9E17
RGB	rgb(63, 158, 23)
HSL	hsl(102, 75%, 35%)
HSV	hsv(102, 85%, 62%)
CMYK	cmyk(60.1%, 0%, 85.4%, 38%)
CIE-LAB	lab(57.63, -50.62, 55.39)
CIE-LCH	lch(57.63, 75.04, 132.42°)
OKLab	oklab(61.81% -0.1397 0.1217)
OKLCH	oklch(61.81% 0.185 138.9)
XYZ	xyz(14.4308, 25.5710, 4.9857)
Luminance	0.2557 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9E17 #76179E

analogous

#829E17 #3F9E17 #179E32

triadic

#3F9E17 #173F9E #9E173F

tetradic

#3F9E17 #17829E #76179E #9E3217

square

#3F9E17 #17829E #76179E #9E3217

split-complementary

#3F9E17 #32179E #9E1782

monochromatic

#143307 #2A690F #3F9E17 #54D31F #78E54B

Accessibility & contrast

On white

3.43

#3F9E17 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#3F9E17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9E17

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9E17	#FFFFFF	#000000	##000000
##3F9E17	1.00	3.43	6.11	6.11
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A38F00

Deuteranopia (green-blind)

#978829

Tritanopia (blue-blind)

#349886

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3f9e17;
/* rgb */ color: rgb(63, 158, 23);
/* oklch */ color: oklch(61.8% 0.185 138.9);

Tailwind

colors: {
  custom: {
    50: '#80bb63',
    500: '#3f9e17',
    950: '#000000',
  },
}

SCSS

$custom: #3f9e17;
$custom-light: #80bb63;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9e17",
  "rgb": {
    "r": 63,
    "g": 158,
    "b": 23
  },
  "hsl": {
    "h": 102.222,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.61807,
    "c": 0.18524,
    "h": 138.9
  },
  "luminance": 0.25572
}

Semantic roles & 50–950 ramp

primary

#3F9E17

secondary

#A24AC6

accent

#37F1BA

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1206

muted

#7C817A

Preview Lab

Preview with #3F9E17

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

Preview Lab → · Contrast checker → · Palette generator →