#427B23#427B23

#427B23 is a mid, vivid yellow-green. Relative luminance 0.154; OKLCH L 52.5% C 0.134 H 136.6°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#427B23
RGB	rgb(66, 123, 35)
HSL	hsl(99, 56%, 31%)
HSV	hsv(99, 72%, 48%)
CMYK	cmyk(46.3%, 0%, 71.5%, 51.8%)
CIE-LAB	lab(46.24, -35.15, 40.47)
CIE-LCH	lch(46.24, 53.60, 130.97°)
OKLab	oklab(52.48% -0.0975 0.0922)
OKLCH	oklch(52.48% 0.134 136.6)
XYZ	xyz(9.6328, 15.4449, 4.0634)
Luminance	0.1545 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427B23 #5C237B

analogous

#6E7B23 #427B23 #237B30

triadic

#427B23 #23427B #7B2342

tetradic

#427B23 #236E7B #5C237B #7B3023

square

#427B23 #236E7B #5C237B #7B3023

split-complementary

#427B23 #30237B #7B236E

monochromatic

#0F1C08 #284B15 #427B23 #5CAB31 #79CC4C

Accessibility & contrast

On white

5.14

#427B23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#427B23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427B23

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427B23	#FFFFFF	#000000	##FFFFFF
##427B23	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7116

Deuteranopia (green-blind)

#786C2B

Tritanopia (blue-blind)

#3F7669

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #427b23;
/* rgb */ color: rgb(66, 123, 35);
/* oklch */ color: oklch(52.5% 0.134 136.6);

Tailwind

colors: {
  custom: {
    50: '#7ca263',
    500: '#427b23',
    950: '#000000',
  },
}

SCSS

$custom: #427b23;
$custom-light: #7ca263;
$custom-dark: #000000;

JSON

{
  "hex": "#427b23",
  "rgb": {
    "r": 66,
    "g": 123,
    "b": 35
  },
  "hsl": {
    "h": 98.864,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.52476,
    "c": 0.13416,
    "h": 136.6
  },
  "luminance": 0.15446
}

Semantic roles & 50–950 ramp

primary

#427B23

secondary

#8B4CAE

accent

#49DFAA

background

#F7FAF6

surface

#EEF3EB

border

#C9CDC6

text

#0A0F05

muted

#7C7F7A

Preview Lab

Preview with #427B23

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

Preview Lab → · Contrast checker → · Palette generator →