#427A18#427A18

#427A18 is a mid, vivid yellow-green. Relative luminance 0.151; OKLCH L 52.1% C 0.140 H 135.2°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#427A18
RGB	rgb(66, 122, 24)
HSL	hsl(94, 67%, 29%)
HSV	hsv(94, 80%, 48%)
CMYK	cmyk(45.9%, 0%, 80.3%, 52.2%)
CIE-LAB	lab(45.83, -35.52, 44.29)
CIE-LCH	lch(45.83, 56.77, 128.73°)
OKLab	oklab(52.12% -0.0993 0.0985)
OKLCH	oklch(52.12% 0.14 135.2)
XYZ	xyz(9.3710, 15.1427, 3.2930)
Luminance	0.1514 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427A18 #50187A

analogous

#737A18 #427A18 #187A1F

triadic

#427A18 #18427A #7A1842

tetradic

#427A18 #18737A #50187A #7A1F18

square

#427A18 #18737A #50187A #7A1F18

split-complementary

#427A18 #1F187A #7A1873

monochromatic

#0E1A05 #26470E #427A18 #5EAD22 #7BD735

Accessibility & contrast

On white

5.21

#427A18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#427A18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427A18

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427A18	#FFFFFF	#000000	##FFFFFF
##427A18	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F6F00

Deuteranopia (green-blind)

#776B23

Tritanopia (blue-blind)

#407568

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #427a18;
/* rgb */ color: rgb(66, 122, 24);
/* oklch */ color: oklch(52.1% 0.140 135.2);

Tailwind

colors: {
  custom: {
    50: '#7ca15d',
    500: '#427a18',
    950: '#000000',
  },
}

SCSS

$custom: #427a18;
$custom-light: #7ca15d;
$custom-dark: #000000;

JSON

{
  "hex": "#427a18",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 24
  },
  "hsl": {
    "h": 94.286,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.52117,
    "c": 0.13985,
    "h": 135.2
  },
  "luminance": 0.15143
}

Semantic roles & 50–950 ramp

primary

#427A18

secondary

#7F3FAF

accent

#3EEAA0

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#0A0F05

muted

#7C7E79

Preview Lab

Preview with #427A18

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

Preview Lab → · Contrast checker → · Palette generator →