#3D731F#3D731F

#3D731F is a mid, vivid yellow-green. Relative luminance 0.134; OKLCH L 50.0% C 0.129 H 136.6°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#3D731F
RGB	rgb(61, 115, 31)
HSL	hsl(99, 58%, 29%)
HSV	hsv(99, 73%, 45%)
CMYK	cmyk(47%, 0%, 73%, 54.9%)
CIE-LAB	lab(43.29, -33.71, 39.02)
CIE-LCH	lch(43.29, 51.56, 130.82°)
OKLab	oklab(49.98% -0.0936 0.0886)
OKLCH	oklch(49.98% 0.129 136.6)
XYZ	xyz(8.3023, 13.3520, 3.4358)
Luminance	0.1335 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D731F #551F73

analogous

#67731F #3D731F #1F732B

triadic

#3D731F #1F3D73 #731F3D

tetradic

#3D731F #1F6773 #551F73 #732B1F

square

#3D731F #1F6773 #551F73 #732B1F

split-complementary

#3D731F #2B1F73 #731F67

monochromatic

#0D1806 #234312 #3D731F #57A32C #72CC41

Accessibility & contrast

On white

5.72

#3D731F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#3D731F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D731F

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D731F	#FFFFFF	#000000	##FFFFFF
##3D731F	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)

#776912

Deuteranopia (green-blind)

#706527

Tritanopia (blue-blind)

#3A6F62

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3d731f;
/* rgb */ color: rgb(61, 115, 31);
/* oklch */ color: oklch(50.0% 0.129 136.6);

Tailwind

colors: {
  custom: {
    50: '#789c60',
    500: '#3d731f',
    950: '#000000',
  },
}

SCSS

$custom: #3d731f;
$custom-light: #789c60;
$custom-dark: #000000;

JSON

{
  "hex": "#3d731f",
  "rgb": {
    "r": 61,
    "g": 115,
    "b": 31
  },
  "hsl": {
    "h": 98.571,
    "s": 57.534,
    "l": 28.627
  },
  "oklch": {
    "l": 0.49983,
    "c": 0.12886,
    "h": 136.6
  },
  "luminance": 0.13352
}

Semantic roles & 50–950 ramp

primary

#3D731F

secondary

#8547A7

accent

#47E1AA

background

#F7F9F5

surface

#EEF2EA

border

#C9CCC6

text

#090E05

muted

#7B7E79

Preview Lab

Preview with #3D731F

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

Preview Lab → · Contrast checker → · Palette generator →