#428E19#428E19

#428E19 is a mid, vivid yellow-green. Relative luminance 0.206; OKLCH L 57.6% C 0.164 H 137.5°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#428E19
RGB	rgb(66, 142, 25)
HSL	hsl(99, 70%, 33%)
HSV	hsv(99, 82%, 56%)
CMYK	cmyk(53.5%, 0%, 82.4%, 44.3%)
CIE-LAB	lab(52.48, -43.68, 50.21)
CIE-LCH	lch(52.48, 66.55, 131.02°)
OKLab	oklab(57.59% -0.1212 0.111)
OKLCH	oklch(57.59% 0.164 137.5)
XYZ	xyz(12.0948, 20.5735, 4.2533)
Luminance	0.2057 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E19 #65198E

analogous

#7D8E19 #428E19 #198E2A

triadic

#428E19 #19428E #8E1942

tetradic

#428E19 #197D8E #65198E #8E2A19

square

#428E19 #197D8E #65198E #8E2A19

split-complementary

#428E19 #2A198E #8E197D

monochromatic

#122607 #2A5A10 #428E19 #5AC222 #7ADE43

Accessibility & contrast

On white

4.11

#428E19 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#428E19 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E19

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E19	#FFFFFF	#000000	##000000
##428E19	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938100

Deuteranopia (green-blind)

#897B27

Tritanopia (blue-blind)

#3C8979

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428e19;
/* rgb */ color: rgb(66, 142, 25);
/* oklch */ color: oklch(57.6% 0.164 137.5);

Tailwind

colors: {
  custom: {
    50: '#7fb061',
    500: '#428e19',
    950: '#000000',
  },
}

SCSS

$custom: #428e19;
$custom-light: #7fb061;
$custom-dark: #000000;

JSON

{
  "hex": "#428e19",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 25
  },
  "hsl": {
    "h": 98.974,
    "s": 70.06,
    "l": 32.745
  },
  "oklch": {
    "l": 0.57588,
    "c": 0.16433,
    "h": 137.5
  },
  "luminance": 0.20574
}

Semantic roles & 50–950 ramp

primary

#428E19

secondary

#9444BF

accent

#3BEDAF

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1005

muted

#7C7F7A

Preview Lab

Preview with #428E19

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

Preview Lab → · Contrast checker → · Palette generator →