#428017#428017

#428017 is a mid, vivid yellow-green. Relative luminance 0.167; OKLCH L 53.8% C 0.148 H 135.9°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#428017
RGB	rgb(66, 128, 23)
HSL	hsl(95, 70%, 30%)
HSV	hsv(95, 82%, 50%)
CMYK	cmyk(48.4%, 0%, 82%, 49.8%)
CIE-LAB	lab(47.83, -38.13, 46.50)
CIE-LCH	lch(47.83, 60.13, 129.35°)
OKLab	oklab(53.76% -0.1064 0.1029)
OKLCH	oklch(53.76% 0.148 135.9)
XYZ	xyz(10.1203, 16.6578, 3.4924)
Luminance	0.1666 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428017 #551780

analogous

#768017 #428017 #178021

triadic

#428017 #174280 #801742

tetradic

#428017 #177680 #551780 #802117

square

#428017 #177680 #551780 #802117

split-complementary

#428017 #211780 #801776

monochromatic

#0D1A05 #274C0E #428017 #5DB420 #7ADB36

Accessibility & contrast

On white

4.85

#428017 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#428017 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #428017

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428017	#FFFFFF	#000000	##FFFFFF
##428017	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857500

Deuteranopia (green-blind)

#7D7023

Tritanopia (blue-blind)

#3F7B6D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #428017;
/* rgb */ color: rgb(66, 128, 23);
/* oklch */ color: oklch(53.8% 0.148 135.9);

Tailwind

colors: {
  custom: {
    50: '#7da55e',
    500: '#428017',
    950: '#000000',
  },
}

SCSS

$custom: #428017;
$custom-light: #7da55e;
$custom-dark: #000000;

JSON

{
  "hex": "#428017",
  "rgb": {
    "r": 66,
    "g": 128,
    "b": 23
  },
  "hsl": {
    "h": 95.429,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.53755,
    "c": 0.14803,
    "h": 135.9
  },
  "luminance": 0.16658
}

Semantic roles & 50–950 ramp

primary

#428017

secondary

#843EB4

accent

#3BECA4

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #428017

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

Preview Lab → · Contrast checker → · Palette generator →