#3F7018#3F7018

#3F7018 is a mid, vivid yellow-green. Relative luminance 0.127; OKLCH L 49.2% C 0.128 H 134.6°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#3F7018
RGB	rgb(63, 112, 24)
HSL	hsl(93, 65%, 27%)
HSV	hsv(93, 79%, 44%)
CMYK	cmyk(43.7%, 0%, 78.6%, 56.1%)
CIE-LAB	lab(42.32, -32.19, 40.86)
CIE-LCH	lch(42.32, 52.02, 128.23°)
OKLab	oklab(49.2% -0.0901 0.0914)
OKLCH	oklch(49.2% 0.128 134.6)
XYZ	xyz(8.0088, 12.7106, 2.8954)
Luminance	0.1271 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7018 #491870

analogous

#6B7018 #3F7018 #18701D

triadic

#3F7018 #183F70 #70183F

tetradic

#3F7018 #186B70 #491870 #701D18

square

#3F7018 #186B70 #491870 #701D18

split-complementary

#3F7018 #1D1870 #70186B

monochromatic

#0E1905 #233E0D #3F7018 #5BA223 #78D330

Accessibility & contrast

On white

5.93

#3F7018 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#3F7018 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7018

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7018	#FFFFFF	#000000	##FFFFFF
##3F7018	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#746605

Deuteranopia (green-blind)

#6E6221

Tritanopia (blue-blind)

#3E6B5F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3f7018;
/* rgb */ color: rgb(63, 112, 24);
/* oklch */ color: oklch(49.2% 0.128 134.6);

Tailwind

colors: {
  custom: {
    50: '#79995c',
    500: '#3f7018',
    950: '#000000',
  },
}

SCSS

$custom: #3f7018;
$custom-light: #79995c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7018",
  "rgb": {
    "r": 63,
    "g": 112,
    "b": 24
  },
  "hsl": {
    "h": 93.409,
    "s": 64.706,
    "l": 26.667
  },
  "oklch": {
    "l": 0.49203,
    "c": 0.12833,
    "h": 134.6
  },
  "luminance": 0.12711
}

Semantic roles & 50–950 ramp

primary

#3F7018

secondary

#783EA5

accent

#40E89D

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#090E04

muted

#7B7E79

Preview Lab

Preview with #3F7018

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

Preview Lab → · Contrast checker → · Palette generator →