#3F8318#3F8318

#3F8318 is a mid, vivid yellow-green. Relative luminance 0.174; OKLCH L 54.4% C 0.153 H 137.1°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3F8318
RGB	rgb(63, 131, 24)
HSL	hsl(98, 69%, 30%)
HSV	hsv(98, 82%, 51%)
CMYK	cmyk(51.9%, 0%, 81.7%, 48.6%)
CIE-LAB	lab(48.70, -40.28, 46.96)
CIE-LCH	lch(48.70, 61.87, 130.62°)
OKLab	oklab(54.44% -0.1119 0.1041)
OKLCH	oklch(54.44% 0.153 137.1)
XYZ	xyz(10.3307, 17.3546, 3.6694)
Luminance	0.1736 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8318 #5C1883

analogous

#748318 #3F8318 #188327

triadic

#3F8318 #183F83 #83183F

tetradic

#3F8318 #187483 #5C1883 #832718

square

#3F8318 #187483 #5C1883 #832718

split-complementary

#3F8318 #271883 #831874

monochromatic

#0D1C05 #264F0F #3F8318 #58B721 #75DB3A

Accessibility & contrast

On white

4.70

#3F8318 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#3F8318 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F8318

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8318	#FFFFFF	#000000	##FFFFFF
##3F8318	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#887700

Deuteranopia (green-blind)

#7F7224

Tritanopia (blue-blind)

#3B7E6F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3f8318;
/* rgb */ color: rgb(63, 131, 24);
/* oklch */ color: oklch(54.4% 0.153 137.1);

Tailwind

colors: {
  custom: {
    50: '#7ca85f',
    500: '#3f8318',
    950: '#000000',
  },
}

SCSS

$custom: #3f8318;
$custom-light: #7ca85f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8318",
  "rgb": {
    "r": 63,
    "g": 131,
    "b": 24
  },
  "hsl": {
    "h": 98.131,
    "s": 69.032,
    "l": 30.392
  },
  "oklch": {
    "l": 0.54443,
    "c": 0.15283,
    "h": 137.1
  },
  "luminance": 0.17355
}

Semantic roles & 50–950 ramp

primary

#3F8318

secondary

#8C40B7

accent

#3CECAC

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #3F8318

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

Preview Lab → · Contrast checker → · Palette generator →