#3F7121#3F7121

#3F7121 is a mid, vivid yellow-green. Relative luminance 0.130; OKLCH L 49.6% C 0.124 H 135.9°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#3F7121
RGB	rgb(63, 113, 33)
HSL	hsl(98, 55%, 29%)
HSV	hsv(98, 71%, 44%)
CMYK	cmyk(44.2%, 0%, 70.8%, 55.7%)
CIE-LAB	lab(42.73, -31.94, 37.60)
CIE-LCH	lch(42.73, 49.34, 130.34°)
OKLab	oklab(49.55% -0.0887 0.0859)
OKLCH	oklch(49.55% 0.124 135.9)
XYZ	xyz(8.2293, 12.9764, 3.5096)
Luminance	0.1298 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7121 #532171

analogous

#677121 #3F7121 #21712B

triadic

#3F7121 #213F71 #71213F

tetradic

#3F7121 #216771 #532171 #712B21

square

#3F7121 #216771 #532171 #712B21

split-complementary

#3F7121 #2B2171 #712167

monochromatic

#0D1807 #254213 #3F7121 #59A02F #76C844

Accessibility & contrast

On white

5.84

#3F7121 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#3F7121 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7121

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7121	#FFFFFF	#000000	##FFFFFF
##3F7121	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756816

Deuteranopia (green-blind)

#6E6328

Tritanopia (blue-blind)

#3D6D61

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3f7121;
/* rgb */ color: rgb(63, 113, 33);
/* oklch */ color: oklch(49.6% 0.124 135.9);

Tailwind

colors: {
  custom: {
    50: '#799a61',
    500: '#3f7121',
    950: '#000000',
  },
}

SCSS

$custom: #3f7121;
$custom-light: #799a61;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7121",
  "rgb": {
    "r": 63,
    "g": 113,
    "b": 33
  },
  "hsl": {
    "h": 97.5,
    "s": 54.795,
    "l": 28.627
  },
  "oklch": {
    "l": 0.49554,
    "c": 0.12351,
    "h": 135.9
  },
  "luminance": 0.12977
}

Semantic roles & 50–950 ramp

primary

#3F7121

secondary

#8249A5

accent

#4ADEA6

background

#F7F9F5

surface

#EEF2EA

border

#C9CCC6

text

#090E05

muted

#7B7E79

Preview Lab

Preview with #3F7121

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

Preview Lab → · Contrast checker → · Palette generator →