#40851B#40851B

#40851B is a mid, vivid yellow-green. Relative luminance 0.179; OKLCH L 55.1% C 0.153 H 137.3°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#40851B
RGB	rgb(64, 133, 27)
HSL	hsl(99, 66%, 31%)
HSV	hsv(99, 80%, 52%)
CMYK	cmyk(51.9%, 0%, 79.7%, 47.8%)
CIE-LAB	lab(49.43, -40.59, 46.67)
CIE-LCH	lch(49.43, 61.86, 131.01°)
OKLab	oklab(55.06% -0.1126 0.104)
OKLCH	oklch(55.06% 0.153 137.3)
XYZ	xyz(10.6994, 17.9434, 3.9363)
Luminance	0.1794 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40851B #601B85

analogous

#75851B #40851B #1B852B

triadic

#40851B #1B4085 #851B40

tetradic

#40851B #1B7585 #601B85 #852B1B

square

#40851B #1B7585 #601B85 #852B1B

split-complementary

#40851B #2B1B85 #851B75

monochromatic

#0F1F06 #285211 #40851B #58B825 #76D942

Accessibility & contrast

On white

4.58

#40851B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#40851B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40851B

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40851B	#FFFFFF	#000000	##000000
##40851B	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7900

Deuteranopia (green-blind)

#817327

Tritanopia (blue-blind)

#3B8071

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #40851b;
/* rgb */ color: rgb(64, 133, 27);
/* oklch */ color: oklch(55.1% 0.153 137.3);

Tailwind

colors: {
  custom: {
    50: '#7ca960',
    500: '#40851b',
    950: '#000000',
  },
}

SCSS

$custom: #40851b;
$custom-light: #7ca960;
$custom-dark: #000000;

JSON

{
  "hex": "#40851b",
  "rgb": {
    "r": 64,
    "g": 133,
    "b": 27
  },
  "hsl": {
    "h": 99.057,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.55056,
    "c": 0.15327,
    "h": 137.3
  },
  "luminance": 0.17944
}

Semantic roles & 50–950 ramp

primary

#40851B

secondary

#9044B8

accent

#3FE9AE

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #40851B

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

Preview Lab → · Contrast checker → · Palette generator →