#40570F#40570F

#40570F is a dark, moderate yellow-green. Relative luminance 0.079; OKLCH L 42.3% C 0.099 H 126.3°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#40570F
RGB	rgb(64, 87, 15)
HSL	hsl(79, 71%, 20%)
HSV	hsv(79, 83%, 34%)
CMYK	cmyk(26.4%, 0%, 82.8%, 65.9%)
CIE-LAB	lab(33.86, -20.25, 36.08)
CIE-LCH	lch(33.86, 41.38, 119.30°)
OKLab	oklab(42.3% -0.0585 0.0798)
OKLCH	oklch(42.3% 0.099 126.3)
XYZ	xyz(5.6088, 7.9408, 1.6891)
Luminance	0.0794 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40570F #260F57

analogous

#574A0F #40570F #1C570F

triadic

#40570F #0F4057 #570F40

tetradic

#40570F #0F574A #260F57 #570F1C

square

#40570F #0F574A #260F57 #570F1C

split-complementary

#40570F #0F1C57 #4A0F57

monochromatic

#131A05 #1A2306 #40570F #668B18 #8DBF21

Accessibility & contrast

On white

8.11

#40570F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#40570F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40570F

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40570F	#FFFFFF	#000000	##FFFFFF
##40570F	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5101

Deuteranopia (green-blind)

#594F16

Tritanopia (blue-blind)

#43524A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #40570f;
/* rgb */ color: rgb(64, 87, 15);
/* oklch */ color: oklch(42.3% 0.099 126.3);

Tailwind

colors: {
  custom: {
    50: '#788654',
    500: '#40570f',
    950: '#000000',
  },
}

SCSS

$custom: #40570f;
$custom-light: #788654;
$custom-dark: #000000;

JSON

{
  "hex": "#40570f",
  "rgb": {
    "r": 64,
    "g": 87,
    "b": 15
  },
  "hsl": {
    "h": 79.167,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.42296,
    "c": 0.09895,
    "h": 126.3
  },
  "luminance": 0.07941
}

Semantic roles & 50–950 ramp

primary

#40570F

secondary

#503191

accent

#3AED74

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #40570F

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

Preview Lab → · Contrast checker → · Palette generator →