#42540F#42540F

#42540F is a dark, moderate yellow-green. Relative luminance 0.075; OKLCH L 41.6% C 0.094 H 123.6°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#42540F
RGB	rgb(66, 84, 15)
HSL	hsl(76, 70%, 19%)
HSV	hsv(76, 82%, 33%)
CMYK	cmyk(21.4%, 0%, 82.1%, 67.1%)
CIE-LAB	lab(32.99, -17.74, 35.32)
CIE-LCH	lch(32.99, 39.52, 116.66°)
OKLab	oklab(41.63% -0.0518 0.0781)
OKLCH	oklch(41.63% 0.094 123.6)
XYZ	xyz(5.5034, 7.5333, 1.6160)
Luminance	0.0753 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42540F #210F54

analogous

#54440F #42540F #20540F

triadic

#42540F #0F4254 #540F42

tetradic

#42540F #0F5444 #210F54 #540F20

square

#42540F #0F5444 #210F54 #540F20

split-complementary

#42540F #0F2054 #440F54

monochromatic

#141A05 #192006 #42540F #6B8818 #94BC22

Accessibility & contrast

On white

8.38

#42540F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#42540F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42540F

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42540F	#FFFFFF	#000000	##FFFFFF
##42540F	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E02

Deuteranopia (green-blind)

#574D16

Tritanopia (blue-blind)

#464F47

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #42540f;
/* rgb */ color: rgb(66, 84, 15);
/* oklch */ color: oklch(41.6% 0.094 123.6);

Tailwind

colors: {
  custom: {
    50: '#798454',
    500: '#42540f',
    950: '#000000',
  },
}

SCSS

$custom: #42540f;
$custom-light: #798454;
$custom-dark: #000000;

JSON

{
  "hex": "#42540f",
  "rgb": {
    "r": 66,
    "g": 84,
    "b": 15
  },
  "hsl": {
    "h": 75.652,
    "s": 69.697,
    "l": 19.412
  },
  "oklch": {
    "l": 0.41631,
    "c": 0.09373,
    "h": 123.6
  },
  "luminance": 0.07533
}

Semantic roles & 50–950 ramp

primary

#42540F

secondary

#49318E

accent

#3BED6A

background

#F7F8F5

surface

#EEEFE8

border

#C9CAC4

text

#090A03

muted

#7B7C78

Preview Lab

Preview with #42540F

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

Preview Lab → · Contrast checker → · Palette generator →