#427F12#427F12

#427F12 is a mid, vivid yellow-green. Relative luminance 0.164; OKLCH L 53.5% C 0.149 H 135.5°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#427F12
RGB	rgb(66, 127, 18)
HSL	hsl(94, 75%, 28%)
HSV	hsv(94, 86%, 50%)
CMYK	cmyk(48%, 0%, 85.8%, 50.2%)
CIE-LAB	lab(47.47, -37.96, 47.65)
CIE-LCH	lch(47.47, 60.92, 128.55°)
OKLab	oklab(53.45% -0.1062 0.1046)
OKLCH	oklch(53.45% 0.149 135.5)
XYZ	xyz(9.9451, 16.3800, 3.2098)
Luminance	0.1638 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427F12 #4F127F

analogous

#787F12 #427F12 #127F18

triadic

#427F12 #12427F #7F1242

tetradic

#427F12 #12787F #4F127F #7F1812

square

#427F12 #12787F #4F127F #7F1812

split-complementary

#427F12 #18127F #7F1278

monochromatic

#0E1B04 #26490A #427F12 #5EB51A #7BE12B

Accessibility & contrast

On white

4.91

#427F12 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#427F12 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427F12

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427F12	#FFFFFF	#000000	##FFFFFF
##427F12	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847400

Deuteranopia (green-blind)

#7C6F20

Tritanopia (blue-blind)

#407A6C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #427f12;
/* rgb */ color: rgb(66, 127, 18);
/* oklch */ color: oklch(53.5% 0.149 135.5);

Tailwind

colors: {
  custom: {
    50: '#7da55c',
    500: '#427f12',
    950: '#000000',
  },
}

SCSS

$custom: #427f12;
$custom-light: #7da55c;
$custom-dark: #000000;

JSON

{
  "hex": "#427f12",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 18
  },
  "hsl": {
    "h": 93.578,
    "s": 75.172,
    "l": 28.431
  },
  "oklch": {
    "l": 0.53454,
    "c": 0.14908,
    "h": 135.5
  },
  "luminance": 0.16381
}

Semantic roles & 50–950 ramp

primary

#427F12

secondary

#7E38B5

accent

#36F29F

background

#F8FAF5

surface

#EFF4E9

border

#CACEC5

text

#0A0F04

muted

#7C7F79

Preview Lab

Preview with #427F12

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

Preview Lab → · Contrast checker → · Palette generator →