#40550F#40550F

#40550F is a dark, moderate yellow-green. Relative luminance 0.076; OKLCH L 41.7% C 0.096 H 125.4°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#40550F
RGB	rgb(64, 85, 15)
HSL	hsl(78, 70%, 20%)
HSV	hsv(78, 82%, 33%)
CMYK	cmyk(24.7%, 0%, 82.4%, 66.7%)
CIE-LAB	lab(33.18, -19.19, 35.45)
CIE-LCH	lch(33.18, 40.31, 118.43°)
OKLab	oklab(41.75% -0.0557 0.0784)
OKLCH	oklch(41.75% 0.096 125.4)
XYZ	xyz(5.4491, 7.6214, 1.6358)
Luminance	0.0762 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40550F #240F55

analogous

#55470F #40550F #1D550F

triadic

#40550F #0F4055 #550F40

tetradic

#40550F #0F5547 #240F55 #550F1D

square

#40550F #0F5547 #240F55 #550F1D

split-complementary

#40550F #0F1D55 #470F55

monochromatic

#141A05 #192106 #40550F #678918 #8EBD21

Accessibility & contrast

On white

8.32

#40550F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#40550F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40550F

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40550F	#FFFFFF	#000000	##FFFFFF
##40550F	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A4F02

Deuteranopia (green-blind)

#574E16

Tritanopia (blue-blind)

#435048

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #40550f;
/* rgb */ color: rgb(64, 85, 15);
/* oklch */ color: oklch(41.7% 0.096 125.4);

Tailwind

colors: {
  custom: {
    50: '#778554',
    500: '#40550f',
    950: '#000000',
  },
}

SCSS

$custom: #40550f;
$custom-light: #778554;
$custom-dark: #000000;

JSON

{
  "hex": "#40550f",
  "rgb": {
    "r": 64,
    "g": 85,
    "b": 15
  },
  "hsl": {
    "h": 78,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.41747,
    "c": 0.09618,
    "h": 125.4
  },
  "luminance": 0.07621
}

Semantic roles & 50–950 ramp

primary

#40550F

secondary

#4D318F

accent

#3BED70

background

#F7F8F5

surface

#EDEFE8

border

#C8CAC4

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #40550F

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

Preview Lab → · Contrast checker → · Palette generator →