#40751B#40751B

#40751B is a mid, vivid yellow-green. Relative luminance 0.139; OKLCH L 50.7% C 0.133 H 135.4°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#40751B
RGB	rgb(64, 117, 27)
HSL	hsl(95, 63%, 28%)
HSV	hsv(95, 77%, 46%)
CMYK	cmyk(45.3%, 0%, 76.9%, 54.1%)
CIE-LAB	lab(44.08, -33.85, 41.47)
CIE-LCH	lch(44.08, 53.53, 129.22°)
OKLab	oklab(50.66% -0.0944 0.0931)
OKLCH	oklch(50.66% 0.133 135.4)
XYZ	xyz(8.6733, 13.8912, 3.2610)
Luminance	0.1389 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40751B #501B75

analogous

#6D751B #40751B #1B7523

triadic

#40751B #1B4075 #751B40

tetradic

#40751B #1B6D75 #501B75 #75231B

square

#40751B #1B6D75 #501B75 #75231B

split-complementary

#40751B #231B75 #751B6D

monochromatic

#0E1906 #254310 #40751B #5BA726 #78D139

Accessibility & contrast

On white

5.56

#40751B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#40751B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40751B

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40751B	#FFFFFF	#000000	##FFFFFF
##40751B	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#796B09

Deuteranopia (green-blind)

#726724

Tritanopia (blue-blind)

#3E7064

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #40751b;
/* rgb */ color: rgb(64, 117, 27);
/* oklch */ color: oklch(50.7% 0.133 135.4);

Tailwind

colors: {
  custom: {
    50: '#7a9d5e',
    500: '#40751b',
    950: '#000000',
  },
}

SCSS

$custom: #40751b;
$custom-light: #7a9d5e;
$custom-dark: #000000;

JSON

{
  "hex": "#40751b",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 27
  },
  "hsl": {
    "h": 95.333,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.50659,
    "c": 0.1326,
    "h": 135.4
  },
  "luminance": 0.13892
}

Semantic roles & 50–950 ramp

primary

#40751B

secondary

#7F42A9

accent

#42E6A2

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#0A0E05

muted

#7C7E79

Preview Lab

Preview with #40751B

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

Preview Lab → · Contrast checker → · Palette generator →