#3F9F1B#3F9F1B

#3F9F1B is a light, vivid green. Relative luminance 0.259; OKLCH L 62.1% C 0.185 H 139.2°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#3F9F1B
RGB	rgb(63, 159, 27)
HSL	hsl(104, 71%, 36%)
HSV	hsv(104, 83%, 62%)
CMYK	cmyk(60.4%, 0%, 83%, 37.6%)
CIE-LAB	lab(57.97, -50.79, 54.65)
CIE-LCH	lch(57.97, 74.61, 132.90°)
OKLab	oklab(62.1% -0.1399 0.1207)
OKLCH	oklch(62.1% 0.185 139.2)
XYZ	xyz(14.6452, 25.9308, 5.2701)
Luminance	0.2593 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9F1B #7B1B9F

analogous

#819F1B #3F9F1B #1B9F39

triadic

#3F9F1B #1B3F9F #9F1B3F

tetradic

#3F9F1B #1B819F #7B1B9F #9F391B

square

#3F9F1B #1B819F #7B1B9F #9F391B

split-complementary

#3F9F1B #391B9F #9F1B81

monochromatic

#163609 #2A6B12 #3F9F1B #54D324 #7AE253

Accessibility & contrast

On white

3.39

#3F9F1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#3F9F1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9F1B

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9F1B	#FFFFFF	#000000	##000000
##3F9F1B	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49000

Deuteranopia (green-blind)

#98882C

Tritanopia (blue-blind)

#349987

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3f9f1b;
/* rgb */ color: rgb(63, 159, 27);
/* oklch */ color: oklch(62.1% 0.185 139.2);

Tailwind

colors: {
  custom: {
    50: '#80bc64',
    500: '#3f9f1b',
    950: '#000000',
  },
}

SCSS

$custom: #3f9f1b;
$custom-light: #80bc64;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9f1b",
  "rgb": {
    "r": 63,
    "g": 159,
    "b": 27
  },
  "hsl": {
    "h": 103.636,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.62097,
    "c": 0.18478,
    "h": 139.2
  },
  "luminance": 0.25932
}

Semantic roles & 50–950 ramp

primary

#3F9F1B

secondary

#A551C5

accent

#3AEEBD

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1206

muted

#7C817A

Preview Lab

Preview with #3F9F1B

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

Preview Lab → · Contrast checker → · Palette generator →