#40681B#40681B

#40681B is a mid, moderate yellow-green. Relative luminance 0.111; OKLCH L 47.1% C 0.115 H 133.1°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#40681B
RGB	rgb(64, 104, 27)
HSL	hsl(91, 59%, 26%)
HSV	hsv(91, 74%, 41%)
CMYK	cmyk(38.5%, 0%, 74%, 59.2%)
CIE-LAB	lab(39.70, -27.90, 37.06)
CIE-LCH	lch(39.70, 46.39, 126.98°)
OKLab	oklab(47.08% -0.0783 0.0839)
OKLCH	oklch(47.08% 0.115 133.1)
XYZ	xyz(7.2624, 11.0694, 2.7907)
Luminance	0.1107 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40681B #431B68

analogous

#66681B #40681B #1B681C

triadic

#40681B #1B4068 #681B40

tetradic

#40681B #1B6668 #431B68 #681C1B

square

#40681B #1B6668 #431B68 #681C1B

split-complementary

#40681B #1C1B68 #681B66

monochromatic

#0F1806 #22370E #40681B #5E9928 #7CC934

Accessibility & contrast

On white

6.53

#40681B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#40681B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40681B

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40681B	#FFFFFF	#000000	##FFFFFF
##40681B	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C600F

Deuteranopia (green-blind)

#675C22

Tritanopia (blue-blind)

#406459

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #40681b;
/* rgb */ color: rgb(64, 104, 27);
/* oklch */ color: oklch(47.1% 0.115 133.1);

Tailwind

colors: {
  custom: {
    50: '#78935c',
    500: '#40681b',
    950: '#000000',
  },
}

SCSS

$custom: #40681b;
$custom-light: #78935c;
$custom-dark: #000000;

JSON

{
  "hex": "#40681b",
  "rgb": {
    "r": 64,
    "g": 104,
    "b": 27
  },
  "hsl": {
    "h": 91.169,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.47075,
    "c": 0.11477,
    "h": 133.1
  },
  "luminance": 0.1107
}

Semantic roles & 50–950 ramp

primary

#40681B

secondary

#71429D

accent

#46E297

background

#F7F9F5

surface

#EEF1E9

border

#C9CBC5

text

#090D04

muted

#7B7E79

Preview Lab

Preview with #40681B

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

Preview Lab → · Contrast checker → · Palette generator →