#427F11#427F11

#427F11 is a mid, vivid yellow-green. Relative luminance 0.164; OKLCH L 53.4% C 0.149 H 135.4°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#427F11
RGB	rgb(66, 127, 17)
HSL	hsl(93, 76%, 28%)
HSV	hsv(93, 87%, 50%)
CMYK	cmyk(48%, 0%, 86.6%, 50.2%)
CIE-LAB	lab(47.47, -38.01, 47.91)
CIE-LCH	lch(47.47, 61.16, 128.43°)
OKLab	oklab(53.45% -0.1064 0.105)
OKLCH	oklch(53.45% 0.149 135.4)
XYZ	xyz(9.9371, 16.3768, 3.1676)
Luminance	0.1638 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427F11 #4E117F

analogous

#797F11 #427F11 #117F17

triadic

#427F11 #11427F #7F1142

tetradic

#427F11 #11797F #4E117F #7F1711

square

#427F11 #11797F #4E117F #7F1711

split-complementary

#427F11 #17117F #7F1179

monochromatic

#0E1B04 #26490A #427F11 #5EB518 #7BE228

Accessibility & contrast

On white

4.91

#427F11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#427F11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427F11

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427F11	#FFFFFF	#000000	##FFFFFF
##427F11	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)

#7C6F1F

Tritanopia (blue-blind)

#407A6C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #427f11;
/* rgb */ color: rgb(66, 127, 17);
/* oklch */ color: oklch(53.4% 0.149 135.4);

Tailwind

colors: {
  custom: {
    50: '#7da55b',
    500: '#427f11',
    950: '#000000',
  },
}

SCSS

$custom: #427f11;
$custom-light: #7da55b;
$custom-dark: #000000;

JSON

{
  "hex": "#427f11",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 17
  },
  "hsl": {
    "h": 93.273,
    "s": 76.389,
    "l": 28.235
  },
  "oklch": {
    "l": 0.5345,
    "c": 0.14949,
    "h": 135.4
  },
  "luminance": 0.16377
}

Semantic roles & 50–950 ramp

primary

#427F11

secondary

#7D37B5

accent

#35F39E

background

#F8FAF5

surface

#EFF4E9

border

#CACEC5

text

#0A0F04

muted

#7C7F79

Preview Lab

Preview with #427F11

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

Preview Lab → · Contrast checker → · Palette generator →