#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
RGBrgb(66, 142, 15)
HSLhsl(96, 81%, 31%)
HSVhsv(96, 89%, 56%)
CMYKcmyk(53.5%, 0%, 89.4%, 44.3%)
CIE-LABlab(52.44, -44.13, 52.74)
CIE-LCHlch(52.44, 68.76, 129.92°)
OKLaboklab(57.54% -0.1228 0.1149)
OKLCHoklch(57.54% 0.168 136.9)
XYZxyz(12.0056, 20.5378, 3.7834)
Luminance0.2054 (WCAG relative)
Temperaturewarm
Familyyellow-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
##428E0F1.004.115.115.11
#FFFFFF4.111.0021.0021.00
#0000005.1121.001.001.00
##0000005.1121.001.001.00

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 →

#428E0F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva