#40781F#40781F

#40781F is a mid, vivid yellow-green. Relative luminance 0.146; OKLCH L 51.5% C 0.134 H 136.3°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#40781F
RGB	rgb(64, 120, 31)
HSL	hsl(98, 59%, 30%)
HSV	hsv(98, 74%, 47%)
CMYK	cmyk(46.7%, 0%, 74.2%, 52.9%)
CIE-LAB	lab(45.11, -34.86, 40.94)
CIE-LCH	lch(45.11, 53.77, 130.41°)
OKLab	oklab(51.52% -0.0969 0.0926)
OKLCH	oklch(51.52% 0.134 136.3)
XYZ	xyz(9.0779, 14.6213, 3.6399)
Luminance	0.1462 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40781F #571F78

analogous

#6D781F #40781F #1F782B

triadic

#40781F #1F4078 #781F40

tetradic

#40781F #1F6D78 #571F78 #782B1F

square

#40781F #1F6D78 #571F78 #782B1F

split-complementary

#40781F #2B1F78 #781F6D

monochromatic

#0D1806 #264712 #40781F #5AA92C #77CE43

Accessibility & contrast

On white

5.35

#40781F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#40781F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40781F

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40781F	#FFFFFF	#000000	##FFFFFF
##40781F	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C6E10

Deuteranopia (green-blind)

#756927

Tritanopia (blue-blind)

#3E7367

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #40781f;
/* rgb */ color: rgb(64, 120, 31);
/* oklch */ color: oklch(51.5% 0.134 136.3);

Tailwind

colors: {
  custom: {
    50: '#7a9f61',
    500: '#40781f',
    950: '#000000',
  },
}

SCSS

$custom: #40781f;
$custom-light: #7a9f61;
$custom-dark: #000000;

JSON

{
  "hex": "#40781f",
  "rgb": {
    "r": 64,
    "g": 120,
    "b": 31
  },
  "hsl": {
    "h": 97.753,
    "s": 58.94,
    "l": 29.608
  },
  "oklch": {
    "l": 0.51516,
    "c": 0.134,
    "h": 136.3
  },
  "luminance": 0.14622
}

Semantic roles & 50–950 ramp

primary

#40781F

secondary

#8647AB

accent

#46E2A8

background

#F7F9F5

surface

#EEF2EA

border

#C9CCC6

text

#0A0E05

muted

#7C7E79

Preview Lab

Preview with #40781F

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

Preview Lab → · Contrast checker → · Palette generator →