#428A19#428A19

#428A19 is a mid, vivid yellow-green. Relative luminance 0.194; OKLCH L 56.5% C 0.159 H 137.2°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#428A19
RGB	rgb(66, 138, 25)
HSL	hsl(98, 69%, 32%)
HSV	hsv(98, 82%, 54%)
CMYK	cmyk(52.2%, 0%, 81.9%, 45.9%)
CIE-LAB	lab(51.16, -42.10, 48.98)
CIE-LCH	lch(51.16, 64.58, 130.68°)
OKLab	oklab(56.5% -0.1169 0.1085)
OKLCH	oklch(56.5% 0.159 137.2)
XYZ	xyz(11.5104, 19.4046, 4.0584)
Luminance	0.1941 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428A19 #61198A

analogous

#7B8A19 #428A19 #198A29

triadic

#428A19 #19428A #8A1942

tetradic

#428A19 #197B8A #61198A #8A2919

square

#428A19 #197B8A #61198A #8A2919

split-complementary

#428A19 #29198A #8A197B

monochromatic

#102206 #295610 #428A19 #5BBE22 #79DD41

Accessibility & contrast

On white

4.30

#428A19 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#428A19 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428A19

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428A19	#FFFFFF	#000000	##000000
##428A19	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E00

Deuteranopia (green-blind)

#867826

Tritanopia (blue-blind)

#3D8575

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #428a19;
/* rgb */ color: rgb(66, 138, 25);
/* oklch */ color: oklch(56.5% 0.159 137.2);

Tailwind

colors: {
  custom: {
    50: '#7ead60',
    500: '#428a19',
    950: '#000000',
  },
}

SCSS

$custom: #428a19;
$custom-light: #7ead60;
$custom-dark: #000000;

JSON

{
  "hex": "#428a19",
  "rgb": {
    "r": 66,
    "g": 138,
    "b": 25
  },
  "hsl": {
    "h": 98.23,
    "s": 69.325,
    "l": 31.961
  },
  "oklch": {
    "l": 0.56499,
    "c": 0.15947,
    "h": 137.2
  },
  "luminance": 0.19405
}

Semantic roles & 50–950 ramp

primary

#428A19

secondary

#9042BD

accent

#3CECAC

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1005

muted

#7C7F7A

Preview Lab

Preview with #428A19

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

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