#3F9D17#3F9D17

#3F9D17 is a mid, vivid green. Relative luminance 0.252; OKLCH L 61.5% C 0.184 H 138.9°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F9D17
RGB	rgb(63, 157, 23)
HSL	hsl(102, 74%, 35%)
HSV	hsv(102, 85%, 62%)
CMYK	cmyk(59.9%, 0%, 85.4%, 38.4%)
CIE-LAB	lab(57.30, -50.26, 55.10)
CIE-LCH	lch(57.30, 74.58, 132.37°)
OKLab	oklab(61.54% -0.1387 0.1211)
OKLCH	oklch(61.54% 0.184 138.9)
XYZ	xyz(14.2609, 25.2313, 4.9291)
Luminance	0.2523 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9D17 #75179D

analogous

#829D17 #3F9D17 #179D32

triadic

#3F9D17 #173F9D #9D173F

tetradic

#3F9D17 #17829D #75179D #9D3217

square

#3F9D17 #17829D #75179D #9D3217

split-complementary

#3F9D17 #32179D #9D1782

monochromatic

#143207 #2A680F #3F9D17 #54D21F #78E44A

Accessibility & contrast

On white

3.47

#3F9D17 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#3F9D17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9D17

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9D17	#FFFFFF	#000000	##000000
##3F9D17	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28E00

Deuteranopia (green-blind)

#968729

Tritanopia (blue-blind)

#359785

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3f9d17;
/* rgb */ color: rgb(63, 157, 23);
/* oklch */ color: oklch(61.5% 0.184 138.9);

Tailwind

colors: {
  custom: {
    50: '#80bb63',
    500: '#3f9d17',
    950: '#000000',
  },
}

SCSS

$custom: #3f9d17;
$custom-light: #80bb63;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9d17",
  "rgb": {
    "r": 63,
    "g": 157,
    "b": 23
  },
  "hsl": {
    "h": 102.09,
    "s": 74.444,
    "l": 35.294
  },
  "oklch": {
    "l": 0.61536,
    "c": 0.1841,
    "h": 138.9
  },
  "luminance": 0.25233
}

Semantic roles & 50–950 ramp

primary

#3F9D17

secondary

#A14AC6

accent

#37F1B9

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1206

muted

#7C817A

Preview Lab

Preview with #3F9D17

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

Preview Lab → · Contrast checker → · Palette generator →