#427F19#427F19

#427F19 is a mid, vivid yellow-green. Relative luminance 0.164; OKLCH L 53.5% C 0.146 H 136.0°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#427F19
RGB	rgb(66, 127, 25)
HSL	hsl(96, 67%, 30%)
HSV	hsv(96, 80%, 50%)
CMYK	cmyk(48%, 0%, 80.3%, 50.2%)
CIE-LAB	lab(47.50, -37.59, 45.54)
CIE-LCH	lch(47.50, 59.05, 129.54°)
OKLab	oklab(53.49% -0.1048 0.1013)
OKLCH	oklch(53.49% 0.146 136)
XYZ	xyz(10.0113, 16.4065, 3.5588)
Luminance	0.1641 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427F19 #56197F

analogous

#757F19 #427F19 #197F23

triadic

#427F19 #19427F #7F1942

tetradic

#427F19 #19757F #56197F #7F2319

square

#427F19 #19757F #56197F #7F2319

split-complementary

#427F19 #23197F #7F1975

monochromatic

#0D1A05 #274C0F #427F19 #5DB223 #7AD83A

Accessibility & contrast

On white

4.90

#427F19 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#427F19 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427F19

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427F19	#FFFFFF	#000000	##FFFFFF
##427F19	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847400

Deuteranopia (green-blind)

#7C6F24

Tritanopia (blue-blind)

#3F7A6C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #427f19;
/* rgb */ color: rgb(66, 127, 25);
/* oklch */ color: oklch(53.5% 0.146 136.0);

Tailwind

colors: {
  custom: {
    50: '#7da55f',
    500: '#427f19',
    950: '#000000',
  },
}

SCSS

$custom: #427f19;
$custom-light: #7da55f;
$custom-dark: #000000;

JSON

{
  "hex": "#427f19",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 25
  },
  "hsl": {
    "h": 95.882,
    "s": 67.105,
    "l": 29.804
  },
  "oklch": {
    "l": 0.53493,
    "c": 0.14573,
    "h": 136
  },
  "luminance": 0.16407
}

Semantic roles & 50–950 ramp

primary

#427F19

secondary

#8541B3

accent

#3EEAA5

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #427F19

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

Preview Lab → · Contrast checker → · Palette generator →