#428310#428310

#428310 is a mid, vivid yellow-green. Relative luminance 0.174; OKLCH L 54.5% C 0.155 H 135.8°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#428310
RGB	rgb(66, 131, 16)
HSL	hsl(94, 78%, 29%)
HSV	hsv(94, 88%, 51%)
CMYK	cmyk(49.6%, 0%, 87.8%, 48.6%)
CIE-LAB	lab(48.79, -39.71, 49.34)
CIE-LCH	lch(48.79, 63.33, 128.83°)
OKLab	oklab(54.54% -0.111 0.1079)
OKLCH	oklch(54.54% 0.155 135.8)
XYZ	xyz(10.4563, 17.4276, 3.3030)
Luminance	0.1743 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428310 #511083

analogous

#7C8310 #428310 #108318

triadic

#428310 #104283 #831042

tetradic

#428310 #107C83 #511083 #831810

square

#428310 #107C83 #511083 #831810

split-complementary

#428310 #181083 #83107C

monochromatic

#0E1B03 #274C09 #428310 #5DBA17 #7AE529

Accessibility & contrast

On white

4.68

#428310 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#428310 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #428310

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428310	#FFFFFF	#000000	##FFFFFF
##428310	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#887700

Deuteranopia (green-blind)

#807220

Tritanopia (blue-blind)

#3F7E6F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #428310;
/* rgb */ color: rgb(66, 131, 16);
/* oklch */ color: oklch(54.5% 0.155 135.8);

Tailwind

colors: {
  custom: {
    50: '#7ea75c',
    500: '#428310',
    950: '#000000',
  },
}

SCSS

$custom: #428310;
$custom-light: #7ea75c;
$custom-dark: #000000;

JSON

{
  "hex": "#428310",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 16
  },
  "hsl": {
    "h": 93.913,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.54541,
    "c": 0.15477,
    "h": 135.8
  },
  "luminance": 0.17428
}

Semantic roles & 50–950 ramp

primary

#428310

secondary

#8036B9

accent

#33F5A1

background

#F8FAF5

surface

#EFF4E9

border

#CACEC5

text

#0A0F04

muted

#7C7F79

Preview Lab

Preview with #428310

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

Preview Lab → · Contrast checker → · Palette generator →