#427B1F#427B1F

#427B1F is a mid, vivid yellow-green. Relative luminance 0.154; OKLCH L 52.4% C 0.137 H 136.1°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#427B1F
RGB	rgb(66, 123, 31)
HSL	hsl(97, 60%, 30%)
HSV	hsv(97, 75%, 48%)
CMYK	cmyk(46.3%, 0%, 74.8%, 51.8%)
CIE-LAB	lab(46.21, -35.47, 42.08)
CIE-LCH	lch(46.21, 55.03, 130.13°)
OKLab	oklab(52.44% -0.0987 0.0949)
OKLCH	oklch(52.44% 0.137 136.1)
XYZ	xyz(9.5768, 15.4225, 3.7683)
Luminance	0.1542 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427B1F #581F7B

analogous

#707B1F #427B1F #1F7B2A

triadic

#427B1F #1F427B #7B1F42

tetradic

#427B1F #1F707B #581F7B #7B2A1F

square

#427B1F #1F707B #581F7B #7B2A1F

split-complementary

#427B1F #2A1F7B #7B1F70

monochromatic

#0E1906 #284A13 #427B1F #5CAC2B #7AD044

Accessibility & contrast

On white

5.14

#427B1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#427B1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427B1F

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427B1F	#FFFFFF	#000000	##FFFFFF
##427B1F	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F700F

Deuteranopia (green-blind)

#786C28

Tritanopia (blue-blind)

#407669

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #427b1f;
/* rgb */ color: rgb(66, 123, 31);
/* oklch */ color: oklch(52.4% 0.137 136.1);

Tailwind

colors: {
  custom: {
    50: '#7ca261',
    500: '#427b1f',
    950: '#000000',
  },
}

SCSS

$custom: #427b1f;
$custom-light: #7ca261;
$custom-dark: #000000;

JSON

{
  "hex": "#427b1f",
  "rgb": {
    "r": 66,
    "g": 123,
    "b": 31
  },
  "hsl": {
    "h": 97.174,
    "s": 59.74,
    "l": 30.196
  },
  "oklch": {
    "l": 0.52441,
    "c": 0.13694,
    "h": 136.1
  },
  "luminance": 0.15423
}

Semantic roles & 50–950 ramp

primary

#427B1F

secondary

#8748AE

accent

#45E3A7

background

#F7FAF5

surface

#EEF3EA

border

#C9CDC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #427B1F

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

Preview Lab → · Contrast checker → · Palette generator →