#42541F#42541F

#42541F is a dark, moderate yellow-green. Relative luminance 0.076; OKLCH L 41.8% C 0.080 H 125.5°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#42541F
RGB	rgb(66, 84, 31)
HSL	hsl(80, 46%, 23%)
HSV	hsv(80, 63%, 33%)
CMYK	cmyk(21.4%, 0%, 63.1%, 67.1%)
CIE-LAB	lab(33.13, -16.47, 28.14)
CIE-LCH	lch(33.13, 32.60, 120.34°)
OKLab	oklab(41.79% -0.0467 0.0655)
OKLCH	oklch(41.79% 0.08 125.5)
XYZ	xyz(5.6644, 7.5978, 2.4641)
Luminance	0.0760 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42541F #311F54

analogous

#544B1F #42541F #28541F

triadic

#42541F #1F4254 #541F42

tetradic

#42541F #1F544B #311F54 #541F28

square

#42541F #1F544B #311F54 #541F28

split-complementary

#42541F #1F2854 #4B1F54

monochromatic

#121608 #1F270F #42541F #65812F #88AD40

Accessibility & contrast

On white

8.33

#42541F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#42541F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42541F

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42541F	#FFFFFF	#000000	##FFFFFF
##42541F	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F19

Deuteranopia (green-blind)

#564E23

Tritanopia (blue-blind)

#455049

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #42541f;
/* rgb */ color: rgb(66, 84, 31);
/* oklch */ color: oklch(41.8% 0.080 125.5);

Tailwind

colors: {
  custom: {
    50: '#78845d',
    500: '#42541f',
    950: '#000000',
  },
}

SCSS

$custom: #42541f;
$custom-light: #78845d;
$custom-dark: #000000;

JSON

{
  "hex": "#42541f",
  "rgb": {
    "r": 66,
    "g": 84,
    "b": 31
  },
  "hsl": {
    "h": 80.377,
    "s": 46.087,
    "l": 22.549
  },
  "oklch": {
    "l": 0.41788,
    "c": 0.08046,
    "h": 125.5
  },
  "luminance": 0.07598
}

Semantic roles & 50–950 ramp

primary

#42541F

secondary

#5D4689

accent

#52D67F

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090A04

muted

#7B7C79

Preview Lab

Preview with #42541F

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

Preview Lab → · Contrast checker → · Palette generator →