#3F8717#3F8717

#3F8717 is a mid, vivid yellow-green. Relative luminance 0.184; OKLCH L 55.5% C 0.158 H 137.4°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F8717
RGB	rgb(63, 135, 23)
HSL	hsl(99, 71%, 31%)
HSV	hsv(99, 83%, 53%)
CMYK	cmyk(53.3%, 0%, 83%, 47.1%)
CIE-LAB	lab(50.03, -41.94, 48.50)
CIE-LCH	lch(50.03, 64.12, 130.85°)
OKLab	oklab(55.54% -0.1164 0.1072)
OKLCH	oklch(55.54% 0.158 137.4)
XYZ	xyz(10.8682, 18.4458, 3.7981)
Luminance	0.1845 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8717 #5F1787

analogous

#778717 #3F8717 #178727

triadic

#3F8717 #173F87 #87173F

tetradic

#3F8717 #177787 #5F1787 #872717

square

#3F8717 #177787 #5F1787 #872717

split-complementary

#3F8717 #271787 #871777

monochromatic

#0E1E05 #27530E #3F8717 #57BB20 #75DE3B

Accessibility & contrast

On white

4.48

#3F8717 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#3F8717 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8717

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8717	#FFFFFF	#000000	##000000
##3F8717	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7B00

Deuteranopia (green-blind)

#827525

Tritanopia (blue-blind)

#3A8273

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3f8717;
/* rgb */ color: rgb(63, 135, 23);
/* oklch */ color: oklch(55.5% 0.158 137.4);

Tailwind

colors: {
  custom: {
    50: '#7cab5f',
    500: '#3f8717',
    950: '#000000',
  },
}

SCSS

$custom: #3f8717;
$custom-light: #7cab5f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8717",
  "rgb": {
    "r": 63,
    "g": 135,
    "b": 23
  },
  "hsl": {
    "h": 98.571,
    "s": 70.886,
    "l": 30.98
  },
  "oklch": {
    "l": 0.55536,
    "c": 0.15824,
    "h": 137.4
  },
  "luminance": 0.18447
}

Semantic roles & 50–950 ramp

primary

#3F8717

secondary

#8F3FBB

accent

#3AEEAE

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #3F8717

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

Preview Lab → · Contrast checker → · Palette generator →