#427F17#427F17

#427F17 is a mid, vivid yellow-green. Relative luminance 0.164; OKLCH L 53.5% C 0.147 H 135.8°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#427F17
RGB	rgb(66, 127, 23)
HSL	hsl(95, 69%, 29%)
HSV	hsv(95, 82%, 50%)
CMYK	cmyk(48%, 0%, 81.9%, 50.2%)
CIE-LAB	lab(47.49, -37.71, 46.19)
CIE-LCH	lch(47.49, 59.63, 129.23°)
OKLab	oklab(53.48% -0.1052 0.1023)
OKLCH	oklch(53.48% 0.147 135.8)
XYZ	xyz(9.9905, 16.3982, 3.4492)
Luminance	0.1640 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427F17 #54177F

analogous

#767F17 #427F17 #177F20

triadic

#427F17 #17427F #7F1742

tetradic

#427F17 #17767F #54177F #7F2017

square

#427F17 #17767F #54177F #7F2017

split-complementary

#427F17 #20177F #7F1776

monochromatic

#0D1A05 #274B0E #427F17 #5DB320 #7ADB36

Accessibility & contrast

On white

4.91

#427F17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#427F17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427F17

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427F17	#FFFFFF	#000000	##FFFFFF
##427F17	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)

#7C6F23

Tritanopia (blue-blind)

#407A6C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #427f17;
/* rgb */ color: rgb(66, 127, 23);
/* oklch */ color: oklch(53.5% 0.147 135.8);

Tailwind

colors: {
  custom: {
    50: '#7da55e',
    500: '#427f17',
    950: '#000000',
  },
}

SCSS

$custom: #427f17;
$custom-light: #7da55e;
$custom-dark: #000000;

JSON

{
  "hex": "#427f17",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 23
  },
  "hsl": {
    "h": 95.192,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.53481,
    "c": 0.14677,
    "h": 135.8
  },
  "luminance": 0.16399
}

Semantic roles & 50–950 ramp

primary

#427F17

secondary

#833EB4

accent

#3CECA3

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #427F17

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

Preview Lab → · Contrast checker → · Palette generator →