#42551D#42551D

#42551D is a dark, moderate yellow-green. Relative luminance 0.077; OKLCH L 42.0% C 0.084 H 125.7°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#42551D
RGB	rgb(66, 85, 29)
HSL	hsl(80, 49%, 22%)
HSV	hsv(80, 66%, 33%)
CMYK	cmyk(22.4%, 0%, 65.9%, 66.7%)
CIE-LAB	lab(33.44, -17.21, 29.52)
CIE-LCH	lch(33.44, 34.17, 120.25°)
OKLab	oklab(42.03% -0.049 0.0682)
OKLCH	oklch(42.03% 0.084 125.7)
XYZ	xyz(5.7171, 7.7439, 2.3557)
Luminance	0.0774 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42551D #301D55

analogous

#554C1D #42551D #26551D

triadic

#42551D #1D4255 #551D42

tetradic

#42551D #1D554C #301D55 #551D26

square

#42551D #1D554C #301D55 #551D26

split-complementary

#42551D #1D2655 #4C1D55

monochromatic

#121708 #1F270D #42551D #65832D #89B03C

Accessibility & contrast

On white

8.24

#42551D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#42551D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42551D

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42551D	#FFFFFF	#000000	##FFFFFF
##42551D	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A4F17

Deuteranopia (green-blind)

#574E21

Tritanopia (blue-blind)

#455149

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #42551d;
/* rgb */ color: rgb(66, 85, 29);
/* oklch */ color: oklch(42.0% 0.084 125.7);

Tailwind

colors: {
  custom: {
    50: '#78855c',
    500: '#42551d',
    950: '#000000',
  },
}

SCSS

$custom: #42551d;
$custom-light: #78855c;
$custom-dark: #000000;

JSON

{
  "hex": "#42551d",
  "rgb": {
    "r": 66,
    "g": 85,
    "b": 29
  },
  "hsl": {
    "h": 80.357,
    "s": 49.123,
    "l": 22.353
  },
  "oklch": {
    "l": 0.42034,
    "c": 0.08398,
    "h": 125.7
  },
  "luminance": 0.07744
}

Semantic roles & 50–950 ramp

primary

#42551D

secondary

#5C448A

accent

#4FD97E

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #42551D

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

Preview Lab → · Contrast checker → · Palette generator →