#427B1A#427B1A

#427B1A is a mid, vivid yellow-green. Relative luminance 0.154; OKLCH L 52.4% C 0.140 H 135.6°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#427B1A
RGB	rgb(66, 123, 26)
HSL	hsl(95, 65%, 29%)
HSV	hsv(95, 79%, 48%)
CMYK	cmyk(46.3%, 0%, 78.9%, 51.8%)
CIE-LAB	lab(46.17, -35.82, 43.92)
CIE-LCH	lch(46.17, 56.68, 129.20°)
OKLab	oklab(52.4% -0.1 0.098)
OKLCH	oklch(52.4% 0.14 135.6)
XYZ	xyz(9.5159, 15.3982, 3.4478)
Luminance	0.1540 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427B1A #531A7B

analogous

#737B1A #427B1A #1A7B23

triadic

#427B1A #1A427B #7B1A42

tetradic

#427B1A #1A737B #531A7B #7B231A

square

#427B1A #1A737B #531A7B #7B231A

split-complementary

#427B1A #231A7B #7B1A73

monochromatic

#0E1905 #27480F #427B1A #5DAE25 #7AD53A

Accessibility & contrast

On white

5.15

#427B1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#427B1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427B1A

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427B1A	#FFFFFF	#000000	##FFFFFF
##427B1A	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807004

Deuteranopia (green-blind)

#786C24

Tritanopia (blue-blind)

#407669

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #427b1a;
/* rgb */ color: rgb(66, 123, 26);
/* oklch */ color: oklch(52.4% 0.140 135.6);

Tailwind

colors: {
  custom: {
    50: '#7ca25f',
    500: '#427b1a',
    950: '#000000',
  },
}

SCSS

$custom: #427b1a;
$custom-light: #7ca25f;
$custom-dark: #000000;

JSON

{
  "hex": "#427b1a",
  "rgb": {
    "r": 66,
    "g": 123,
    "b": 26
  },
  "hsl": {
    "h": 95.258,
    "s": 65.101,
    "l": 29.216
  },
  "oklch": {
    "l": 0.52404,
    "c": 0.14002,
    "h": 135.6
  },
  "luminance": 0.15399
}

Semantic roles & 50–950 ramp

primary

#427B1A

secondary

#8242AF

accent

#40E8A3

background

#F7FAF5

surface

#EEF3EA

border

#C9CDC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #427B1A

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

Preview Lab → · Contrast checker → · Palette generator →