#427E18#427E18

#427E18 is a mid, vivid yellow-green. Relative luminance 0.161; OKLCH L 53.2% C 0.145 H 135.8°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#427E18
RGB	rgb(66, 126, 24)
HSL	hsl(95, 68%, 29%)
HSV	hsv(95, 81%, 49%)
CMYK	cmyk(47.6%, 0%, 81%, 50.6%)
CIE-LAB	lab(47.16, -37.23, 45.56)
CIE-LCH	lch(47.16, 58.83, 129.26°)
OKLab	oklab(53.21% -0.1039 0.1011)
OKLCH	oklch(53.21% 0.145 135.8)
XYZ	xyz(9.8722, 16.1453, 3.4601)
Luminance	0.1615 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427E18 #54187E

analogous

#757E18 #427E18 #187E21

triadic

#427E18 #18427E #7E1842

tetradic

#427E18 #18757E #54187E #7E2118

square

#427E18 #18757E #54187E #7E2118

split-complementary

#427E18 #21187E #7E1875

monochromatic

#0D1A05 #274B0E #427E18 #5DB122 #7AD937

Accessibility & contrast

On white

4.97

#427E18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#427E18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427E18

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427E18	#FFFFFF	#000000	##FFFFFF
##427E18	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837300

Deuteranopia (green-blind)

#7B6E23

Tritanopia (blue-blind)

#40796B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #427e18;
/* rgb */ color: rgb(66, 126, 24);
/* oklch */ color: oklch(53.2% 0.145 135.8);

Tailwind

colors: {
  custom: {
    50: '#7da45e',
    500: '#427e18',
    950: '#000000',
  },
}

SCSS

$custom: #427e18;
$custom-light: #7da45e;
$custom-dark: #000000;

JSON

{
  "hex": "#427e18",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 24
  },
  "hsl": {
    "h": 95.294,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.53213,
    "c": 0.14498,
    "h": 135.8
  },
  "luminance": 0.16146
}

Semantic roles & 50–950 ramp

primary

#427E18

secondary

#833FB2

accent

#3DEBA3

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #427E18

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

Preview Lab → · Contrast checker → · Palette generator →