#3F9B1F#3F9B1F

#3F9B1F is a mid, vivid green. Relative luminance 0.246; OKLCH L 61.0% C 0.178 H 139.3°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F9B1F
RGB	rgb(63, 155, 31)
HSL	hsl(105, 67%, 36%)
HSV	hsv(105, 80%, 61%)
CMYK	cmyk(59.4%, 0%, 80%, 39.2%)
CIE-LAB	lab(56.68, -49.11, 52.26)
CIE-LCH	lch(56.68, 71.72, 133.22°)
OKLab	oklab(61.04% -0.1352 0.1163)
OKLCH	oklch(61.04% 0.178 139.3)
XYZ	xyz(14.0180, 24.5971, 5.3051)
Luminance	0.2460 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9B1F #7B1F9B

analogous

#7D9B1F #3F9B1F #1F9B3D

triadic

#3F9B1F #1F3F9B #9B1F3F

tetradic

#3F9B1F #1F7D9B #7B1F9B #9B3D1F

square

#3F9B1F #1F7D9B #7B1F9B #9B3D1F

split-complementary

#3F9B1F #3D1F9B #9B1F7D

monochromatic

#16350B #2A6815 #3F9B1F #54CE29 #7ADD57

Accessibility & contrast

On white

3.55

#3F9B1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#3F9B1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9B1F

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9B1F	#FFFFFF	#000000	##000000
##3F9B1F	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08D00

Deuteranopia (green-blind)

#94852D

Tritanopia (blue-blind)

#349684

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f9b1f;
/* rgb */ color: rgb(63, 155, 31);
/* oklch */ color: oklch(61.0% 0.178 139.3);

Tailwind

colors: {
  custom: {
    50: '#7fb965',
    500: '#3f9b1f',
    950: '#000000',
  },
}

SCSS

$custom: #3f9b1f;
$custom-light: #7fb965;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9b1f",
  "rgb": {
    "r": 63,
    "g": 155,
    "b": 31
  },
  "hsl": {
    "h": 104.516,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.61036,
    "c": 0.17832,
    "h": 139.3
  },
  "luminance": 0.24598
}

Semantic roles & 50–950 ramp

primary

#3F9B1F

secondary

#A555C1

accent

#3EEABD

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1206

muted

#7C817A

Preview Lab

Preview with #3F9B1F

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

Preview Lab → · Contrast checker → · Palette generator →