#3F9D1F#3F9D1F

#3F9D1F is a mid, vivid green. Relative luminance 0.253; OKLCH L 61.6% C 0.181 H 139.4°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F9D1F
RGB	rgb(63, 157, 31)
HSL	hsl(105, 67%, 37%)
HSV	hsv(105, 80%, 62%)
CMYK	cmyk(59.9%, 0%, 80.3%, 38.4%)
CIE-LAB	lab(57.34, -49.84, 52.88)
CIE-LCH	lch(57.34, 72.67, 133.30°)
OKLab	oklab(61.58% -0.1372 0.1176)
OKLCH	oklch(61.58% 0.181 139.4)
XYZ	xyz(14.3536, 25.2683, 5.4169)
Luminance	0.2527 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9D1F #7D1F9D

analogous

#7E9D1F #3F9D1F #1F9D3E

triadic

#3F9D1F #1F3F9D #9D1F3F

tetradic

#3F9D1F #1F7E9D #7D1F9D #9D3E1F

square

#3F9D1F #1F7E9D #7D1F9D #9D3E1F

split-complementary

#3F9D1F #3E1F9D #9D1F7E

monochromatic

#16370B #2A6A15 #3F9D1F #54D029 #7ADE58

Accessibility & contrast

On white

3.47

#3F9D1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#3F9D1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9D1F

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9D1F	#FFFFFF	#000000	##000000
##3F9D1F	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)

#96872E

Tritanopia (blue-blind)

#349886

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3f9d1f;
/* rgb */ color: rgb(63, 157, 31);
/* oklch */ color: oklch(61.6% 0.181 139.4);

Tailwind

colors: {
  custom: {
    50: '#80bb66',
    500: '#3f9d1f',
    950: '#000000',
  },
}

SCSS

$custom: #3f9d1f;
$custom-light: #80bb66;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9d1f",
  "rgb": {
    "r": 63,
    "g": 157,
    "b": 31
  },
  "hsl": {
    "h": 104.762,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.61577,
    "c": 0.18066,
    "h": 139.4
  },
  "luminance": 0.2527
}

Semantic roles & 50–950 ramp

primary

#3F9D1F

secondary

#A656C2

accent

#3EEABE

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1206

muted

#7C817A

Preview Lab

Preview with #3F9D1F

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

Preview Lab → · Contrast checker → · Palette generator →