#3F7818#3F7818

#3F7818 is a mid, vivid yellow-green. Relative luminance 0.146; OKLCH L 51.4% C 0.139 H 135.8°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#3F7818
RGB	rgb(63, 120, 24)
HSL	hsl(96, 67%, 28%)
HSV	hsv(96, 80%, 47%)
CMYK	cmyk(47.5%, 0%, 80%, 52.9%)
CIE-LAB	lab(45.02, -35.70, 43.47)
CIE-LCH	lch(45.02, 56.25, 129.40°)
OKLab	oklab(51.41% -0.0996 0.0968)
OKLCH	oklch(51.41% 0.139 135.8)
XYZ	xyz(8.9310, 14.5551, 3.2028)
Luminance	0.1456 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7818 #511878

analogous

#6F7818 #3F7818 #187821

triadic

#3F7818 #183F78 #78183F

tetradic

#3F7818 #186F78 #511878 #782118

square

#3F7818 #186F78 #511878 #782118

split-complementary

#3F7818 #211878 #78186F

monochromatic

#0D1A05 #24450E #3F7818 #5AAB22 #76D634

Accessibility & contrast

On white

5.37

#3F7818 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#3F7818 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7818

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7818	#FFFFFF	#000000	##FFFFFF
##3F7818	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D6D01

Deuteranopia (green-blind)

#756922

Tritanopia (blue-blind)

#3D7366

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3f7818;
/* rgb */ color: rgb(63, 120, 24);
/* oklch */ color: oklch(51.4% 0.139 135.8);

Tailwind

colors: {
  custom: {
    50: '#7a9f5d',
    500: '#3f7818',
    950: '#000000',
  },
}

SCSS

$custom: #3f7818;
$custom-light: #7a9f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7818",
  "rgb": {
    "r": 63,
    "g": 120,
    "b": 24
  },
  "hsl": {
    "h": 95.625,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.51413,
    "c": 0.13888,
    "h": 135.8
  },
  "luminance": 0.14556
}

Semantic roles & 50–950 ramp

primary

#3F7818

secondary

#803FAD

accent

#3EEAA4

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#0A0E05

muted

#7C7E79

Preview Lab

Preview with #3F7818

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

Preview Lab → · Contrast checker → · Palette generator →