#3F8817#3F8817

#3F8817 is a mid, vivid yellow-green. Relative luminance 0.187; OKLCH L 55.8% C 0.159 H 137.4°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F8817
RGB	rgb(63, 136, 23)
HSL	hsl(99, 71%, 31%)
HSV	hsv(99, 83%, 53%)
CMYK	cmyk(53.7%, 0%, 83.1%, 46.7%)
CIE-LAB	lab(50.37, -42.33, 48.81)
CIE-LCH	lch(50.37, 64.61, 130.94°)
OKLab	oklab(55.81% -0.1175 0.1078)
OKLCH	oklch(55.81% 0.159 137.4)
XYZ	xyz(11.0084, 18.7261, 3.8449)
Luminance	0.1873 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8817 #601788

analogous

#778817 #3F8817 #178827

triadic

#3F8817 #173F88 #88173F

tetradic

#3F8817 #177788 #601788 #882717

square

#3F8817 #177788 #601788 #882717

split-complementary

#3F8817 #271788 #881777

monochromatic

#0F1F05 #27540E #3F8817 #57BC20 #75DE3B

Accessibility & contrast

On white

4.43

#3F8817 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#3F8817 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8817

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8817	#FFFFFF	#000000	##000000
##3F8817	1.00	4.43	4.75	4.75
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7C00

Deuteranopia (green-blind)

#837625

Tritanopia (blue-blind)

#3A8374

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3f8817;
/* rgb */ color: rgb(63, 136, 23);
/* oklch */ color: oklch(55.8% 0.159 137.4);

Tailwind

colors: {
  custom: {
    50: '#7cab5f',
    500: '#3f8817',
    950: '#000000',
  },
}

SCSS

$custom: #3f8817;
$custom-light: #7cab5f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8817",
  "rgb": {
    "r": 63,
    "g": 136,
    "b": 23
  },
  "hsl": {
    "h": 98.761,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.5581,
    "c": 0.15945,
    "h": 137.4
  },
  "luminance": 0.18727
}

Semantic roles & 50–950 ramp

primary

#3F8817

secondary

#903FBC

accent

#3AEEAE

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #3F8817

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

Preview Lab → · Contrast checker → · Palette generator →