#3F5911#3F5911

#3F5911 is a dark, moderate yellow-green. Relative luminance 0.082; OKLCH L 42.8% C 0.101 H 127.9°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#3F5911
RGB	rgb(63, 89, 17)
HSL	hsl(82, 68%, 21%)
HSV	hsv(82, 81%, 35%)
CMYK	cmyk(29.2%, 0%, 80.9%, 65.1%)
CIE-LAB	lab(34.48, -21.61, 35.91)
CIE-LCH	lch(34.48, 41.91, 121.05°)
OKLab	oklab(42.79% -0.062 0.0798)
OKLCH	oklch(42.79% 0.101 127.9)
XYZ	xyz(5.7235, 8.2419, 1.8195)
Luminance	0.0824 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5911 #2B1159

analogous

#594F11 #3F5911 #1B5911

triadic

#3F5911 #113F59 #59113F

tetradic

#3F5911 #11594F #2B1159 #59111B

square

#3F5911 #11594F #2B1159 #59111B

split-complementary

#3F5911 #111B59 #4F1159

monochromatic

#121A05 #1B2607 #3F5911 #638C1B #88C025

Accessibility & contrast

On white

7.93

#3F5911 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3F5911 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5911

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5911	#FFFFFF	#000000	##FFFFFF
##3F5911	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5203

Deuteranopia (green-blind)

#5A5118

Tritanopia (blue-blind)

#42554B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3f5911;
/* rgb */ color: rgb(63, 89, 17);
/* oklch */ color: oklch(42.8% 0.101 127.9);

Tailwind

colors: {
  custom: {
    50: '#778855',
    500: '#3f5911',
    950: '#000000',
  },
}

SCSS

$custom: #3f5911;
$custom-light: #778855;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5911",
  "rgb": {
    "r": 63,
    "g": 89,
    "b": 17
  },
  "hsl": {
    "h": 81.667,
    "s": 67.925,
    "l": 20.784
  },
  "oklch": {
    "l": 0.42788,
    "c": 0.10106,
    "h": 127.9
  },
  "luminance": 0.08242
}

Semantic roles & 50–950 ramp

primary

#3F5911

secondary

#563492

accent

#3DEB7C

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5911

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

Preview Lab → · Contrast checker → · Palette generator →