#428E0F#428E0F

#428E0F is a mid, vivid yellow-green. Relative luminance 0.205; OKLCH L 57.5% C 0.168 H 136.9°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#428E0F
RGB	rgb(66, 142, 15)
HSL	hsl(96, 81%, 31%)
HSV	hsv(96, 89%, 56%)
CMYK	cmyk(53.5%, 0%, 89.4%, 44.3%)
CIE-LAB	lab(52.44, -44.13, 52.74)
CIE-LCH	lch(52.44, 68.76, 129.92°)
OKLab	oklab(57.54% -0.1228 0.1149)
OKLCH	oklch(57.54% 0.168 136.9)
XYZ	xyz(12.0056, 20.5378, 3.7834)
Luminance	0.2054 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E0F #5B0F8E

analogous

#818E0F #428E0F #0F8E1C

triadic

#428E0F #0F428E #8E0F42

tetradic

#428E0F #0F818E #5B0F8E #8E1C0F

square

#428E0F #0F818E #5B0F8E #8E1C0F

split-complementary

#428E0F #1C0F8E #8E0F81

monochromatic

#0F1F03 #285709 #428E0F #5CC515 #79E92E

Accessibility & contrast

On white

4.11

#428E0F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#428E0F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E0F

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E0F	#FFFFFF	#000000	##000000
##428E0F	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)

#897B22

Tritanopia (blue-blind)

#3D8978

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428e0f;
/* rgb */ color: rgb(66, 142, 15);
/* oklch */ color: oklch(57.5% 0.168 136.9);

Tailwind

colors: {
  custom: {
    50: '#7fb05d',
    500: '#428e0f',
    950: '#000000',
  },
}

SCSS

$custom: #428e0f;
$custom-light: #7fb05d;
$custom-dark: #000000;

JSON

{
  "hex": "#428e0f",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 15
  },
  "hsl": {
    "h": 95.906,
    "s": 80.892,
    "l": 30.784
  },
  "oklch": {
    "l": 0.57543,
    "c": 0.16823,
    "h": 136.9
  },
  "luminance": 0.20539
}

Semantic roles & 50–950 ramp

primary

#428E0F

secondary

#8A36C3

accent

#31F7A7

background

#F8FAF5

surface

#EFF5EA

border

#CACFC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #428E0F

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

Preview Lab → · Contrast checker → · Palette generator →