#3F7311#3F7311

#3F7311 is a mid, vivid yellow-green. Relative luminance 0.134; OKLCH L 50.0% C 0.136 H 134.5°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F7311
RGB	rgb(63, 115, 17)
HSL	hsl(92, 74%, 26%)
HSV	hsv(92, 85%, 45%)
CMYK	cmyk(45.2%, 0%, 85.2%, 54.9%)
CIE-LAB	lab(43.30, -33.93, 44.12)
CIE-LCH	lch(43.30, 55.66, 127.56°)
OKLab	oklab(49.99% -0.0953 0.0971)
OKLCH	oklch(49.99% 0.136 134.5)
XYZ	xyz(8.2816, 13.3582, 2.6722)
Luminance	0.1336 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7311 #451173

analogous

#707311 #3F7311 #117314

triadic

#3F7311 #113F73 #73113F

tetradic

#3F7311 #117073 #451173 #731411

square

#3F7311 #117073 #451173 #731411

split-complementary

#3F7311 #141173 #731170

monochromatic

#0F1B04 #223E09 #3F7311 #5CA819 #79DE21

Accessibility & contrast

On white

5.72

#3F7311 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#3F7311 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7311

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7311	#FFFFFF	#000000	##FFFFFF
##3F7311	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#786900

Deuteranopia (green-blind)

#71651D

Tritanopia (blue-blind)

#3E6E61

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3f7311;
/* rgb */ color: rgb(63, 115, 17);
/* oklch */ color: oklch(50.0% 0.136 134.5);

Tailwind

colors: {
  custom: {
    50: '#7a9c59',
    500: '#3f7311',
    950: '#000000',
  },
}

SCSS

$custom: #3f7311;
$custom-light: #7a9c59;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7311",
  "rgb": {
    "r": 63,
    "g": 115,
    "b": 17
  },
  "hsl": {
    "h": 91.837,
    "s": 74.242,
    "l": 25.882
  },
  "oklch": {
    "l": 0.49989,
    "c": 0.136,
    "h": 134.5
  },
  "luminance": 0.13359
}

Semantic roles & 50–950 ramp

primary

#3F7311

secondary

#7336AA

accent

#37F19A

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#0A0E04

muted

#7C7E79

Preview Lab

Preview with #3F7311

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

Preview Lab → · Contrast checker → · Palette generator →