#40731A#40731A

#40731A is a mid, vivid yellow-green. Relative luminance 0.134; OKLCH L 50.1% C 0.131 H 135.0°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#40731A
RGB	rgb(64, 115, 26)
HSL	hsl(94, 63%, 28%)
HSV	hsv(94, 77%, 45%)
CMYK	cmyk(44.3%, 0%, 77.4%, 54.9%)
CIE-LAB	lab(43.40, -33.03, 41.18)
CIE-LCH	lch(43.40, 52.79, 128.73°)
OKLab	oklab(50.1% -0.0923 0.0923)
OKLCH	oklch(50.1% 0.131 135)
XYZ	xyz(8.4314, 13.4256, 3.1242)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40731A #4D1A73

analogous

#6D731A #40731A #1A7320

triadic

#40731A #1A4073 #731A40

tetradic

#40731A #1A6D73 #4D1A73 #73201A

square

#40731A #1A6D73 #4D1A73 #73201A

split-complementary

#40731A #201A73 #731A6D

monochromatic

#0E1906 #24410F #40731A #5CA525 #78D236

Accessibility & contrast

On white

5.70

#40731A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#40731A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40731A

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40731A	#FFFFFF	#000000	##FFFFFF
##40731A	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#786908

Deuteranopia (green-blind)

#716523

Tritanopia (blue-blind)

#3F6E62

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #40731a;
/* rgb */ color: rgb(64, 115, 26);
/* oklch */ color: oklch(50.1% 0.131 135.0);

Tailwind

colors: {
  custom: {
    50: '#7a9c5d',
    500: '#40731a',
    950: '#000000',
  },
}

SCSS

$custom: #40731a;
$custom-light: #7a9c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#40731a",
  "rgb": {
    "r": 64,
    "g": 115,
    "b": 26
  },
  "hsl": {
    "h": 94.382,
    "s": 63.121,
    "l": 27.647
  },
  "oklch": {
    "l": 0.501,
    "c": 0.13056,
    "h": 135
  },
  "luminance": 0.13426
}

Semantic roles & 50–950 ramp

primary

#40731A

secondary

#7C41A8

accent

#42E6A0

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#0A0E05

muted

#7C7E79

Preview Lab

Preview with #40731A

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

Preview Lab → · Contrast checker → · Palette generator →