#A4D128#A4D128

#A4D128 is a light, vivid yellow-green. Relative luminance 0.536; OKLCH L 80.0% C 0.188 H 124.4°. Best body text is #000000 at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#A4D128
RGB	rgb(164, 209, 40)
HSL	hsl(76, 68%, 49%)
HSV	hsv(76, 81%, 82%)
CMYK	cmyk(21.5%, 0%, 80.9%, 18%)
CIE-LAB	lab(78.25, -36.34, 71.28)
CIE-LCH	lch(78.25, 80.01, 117.01°)
OKLab	oklab(80.02% -0.1064 0.1555)
OKLCH	oklch(80.02% 0.188 124.4)
XYZ	xyz(38.4937, 53.6462, 10.3338)
Luminance	0.5365 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4D128 #5528D1

analogous

#D1AA28 #A4D128 #50D128

triadic

#A4D128 #28A4D1 #D128A4

tetradic

#A4D128 #28D1AA #5528D1 #D12850

square

#A4D128 #28D1AA #5528D1 #D12850

split-complementary

#A4D128 #2850D1 #AA28D1

monochromatic

#536A14 #7C9E1E #A4D128 #BBDF57 #D0E98B

Accessibility & contrast

On white

1.79

#A4D128 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.73

#A4D128 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4D128

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4D128	#FFFFFF	#000000	##000000
##A4D128	1.00	1.79	11.73	11.73
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.73	21.00	1.00	1.00
##000000	11.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC300

Deuteranopia (green-blind)

#D7C13B

Tritanopia (blue-blind)

#ACC6B3

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #a4d128;
/* rgb */ color: rgb(164, 209, 40);
/* oklch */ color: oklch(80.0% 0.188 124.4);

Tailwind

colors: {
  custom: {
    50: '#c3df72',
    500: '#a4d128',
    950: '#000000',
  },
}

SCSS

$custom: #a4d128;
$custom-light: #c3df72;
$custom-dark: #000000;

JSON

{
  "hex": "#a4d128",
  "rgb": {
    "r": 164,
    "g": 209,
    "b": 40
  },
  "hsl": {
    "h": 75.976,
    "s": 67.871,
    "l": 48.824
  },
  "oklch": {
    "l": 0.80024,
    "c": 0.18843,
    "h": 124.4
  },
  "luminance": 0.53647
}

Semantic roles & 50–950 ramp

primary

#A4D128

secondary

#3D2974

accent

#3DEB6B

background

#FEFEFB

surface

#FAFCF1

border

#D3D5CB

text

#131509

muted

#83847D

Preview Lab

Preview with #A4D128

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

Preview Lab → · Contrast checker → · Palette generator →