#3F7E1F#3F7E1F

#3F7E1F is a mid, vivid yellow-green. Relative luminance 0.161; OKLCH L 53.1% C 0.142 H 137.3°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3F7E1F
RGB	rgb(63, 126, 31)
HSL	hsl(100, 61%, 31%)
HSV	hsv(100, 75%, 49%)
CMYK	cmyk(50%, 0%, 75.4%, 50.6%)
CIE-LAB	lab(47.08, -37.75, 42.91)
CIE-LCH	lch(47.08, 57.15, 131.34°)
OKLab	oklab(53.12% -0.1046 0.0967)
OKLCH	oklch(53.12% 0.142 137.3)
XYZ	xyz(9.7578, 16.0767, 3.8850)
Luminance	0.1608 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7E1F #5E1F7E

analogous

#6E7E1F #3F7E1F #1F7E2E

triadic

#3F7E1F #1F3F7E #7E1F3F

tetradic

#3F7E1F #1F6E7E #5E1F7E #7E2E1F

square

#3F7E1F #1F6E7E #5E1F7E #7E2E1F

split-complementary

#3F7E1F #2E1F7E #7E1F6E

monochromatic

#0E1C07 #264D13 #3F7E1F #58AF2B #75D146

Accessibility & contrast

On white

4.98

#3F7E1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#3F7E1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7E1F

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7E1F	#FFFFFF	#000000	##FFFFFF
##3F7E1F	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#82730D

Deuteranopia (green-blind)

#7A6E28

Tritanopia (blue-blind)

#3B796C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f7e1f;
/* rgb */ color: rgb(63, 126, 31);
/* oklch */ color: oklch(53.1% 0.142 137.3);

Tailwind

colors: {
  custom: {
    50: '#7aa461',
    500: '#3f7e1f',
    950: '#000000',
  },
}

SCSS

$custom: #3f7e1f;
$custom-light: #7aa461;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7e1f",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 31
  },
  "hsl": {
    "h": 99.789,
    "s": 60.51,
    "l": 30.784
  },
  "oklch": {
    "l": 0.53117,
    "c": 0.14249,
    "h": 137.3
  },
  "luminance": 0.16077
}

Semantic roles & 50–950 ramp

primary

#3F7E1F

secondary

#8E48B1

accent

#44E4AE

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A0F05

muted

#7C7F7A

Preview Lab

Preview with #3F7E1F

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

Preview Lab → · Contrast checker → · Palette generator →