#3F7310#3F7310

#3F7310 is a mid, vivid yellow-green. Relative luminance 0.134; OKLCH L 50.0% C 0.136 H 134.4°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F7310
RGB	rgb(63, 115, 16)
HSL	hsl(92, 76%, 26%)
HSV	hsv(92, 86%, 45%)
CMYK	cmyk(45.2%, 0%, 86.1%, 54.9%)
CIE-LAB	lab(43.29, -33.98, 44.40)
CIE-LCH	lch(43.29, 55.91, 127.43°)
OKLab	oklab(49.98% -0.0955 0.0975)
OKLCH	oklch(49.98% 0.136 134.4)
XYZ	xyz(8.2740, 13.3552, 2.6319)
Luminance	0.1336 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7310 #441073

analogous

#707310 #3F7310 #107312

triadic

#3F7310 #103F73 #73103F

tetradic

#3F7310 #107073 #441073 #731210

square

#3F7310 #107073 #441073 #731210

split-complementary

#3F7310 #121073 #731070

monochromatic

#0F1B04 #223D09 #3F7310 #5CA917 #7ADE1F

Accessibility & contrast

On white

5.72

#3F7310 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#3F7310 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7310

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7310	#FFFFFF	#000000	##FFFFFF
##3F7310	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)

#71651C

Tritanopia (blue-blind)

#3E6E61

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3f7310;
/* rgb */ color: rgb(63, 115, 16);
/* oklch */ color: oklch(50.0% 0.136 134.4);

Tailwind

colors: {
  custom: {
    50: '#7a9c59',
    500: '#3f7310',
    950: '#000000',
  },
}

SCSS

$custom: #3f7310;
$custom-light: #7a9c59;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7310",
  "rgb": {
    "r": 63,
    "g": 115,
    "b": 16
  },
  "hsl": {
    "h": 91.515,
    "s": 75.573,
    "l": 25.686
  },
  "oklch": {
    "l": 0.49984,
    "c": 0.13645,
    "h": 134.4
  },
  "luminance": 0.13356
}

Semantic roles & 50–950 ramp

primary

#3F7310

secondary

#7234AA

accent

#36F299

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#0A0E04

muted

#7C7E79

Preview Lab

Preview with #3F7310

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

Preview Lab → · Contrast checker → · Palette generator →