#A5D128#A5D128

#A5D128 is a light, vivid yellow-green. Relative luminance 0.538; OKLCH L 80.1% C 0.188 H 124.1°. Best body text is #000000 at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#A5D128
RGB	rgb(165, 209, 40)
HSL	hsl(76, 68%, 49%)
HSV	hsv(76, 81%, 82%)
CMYK	cmyk(21.1%, 0%, 80.9%, 18%)
CIE-LAB	lab(78.32, -35.95, 71.36)
CIE-LCH	lch(78.32, 79.90, 116.74°)
OKLab	oklab(80.09% -0.1054 0.1557)
OKLCH	oklch(80.09% 0.188 124.1)
XYZ	xyz(38.7010, 53.7531, 10.3436)
Luminance	0.5375 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5D128 #5428D1

analogous

#D1A928 #A5D128 #51D128

triadic

#A5D128 #28A5D1 #D128A5

tetradic

#A5D128 #28D1A9 #5428D1 #D12851

square

#A5D128 #28D1A9 #5428D1 #D12851

split-complementary

#A5D128 #2851D1 #A928D1

monochromatic

#546A14 #7C9E1E #A5D128 #BCDF57 #D0E98B

Accessibility & contrast

On white

1.79

#A5D128 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.75

#A5D128 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A5D128

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5D128	#FFFFFF	#000000	##000000
##A5D128	1.00	1.79	11.75	11.75
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.75	21.00	1.00	1.00
##000000	11.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC300

Deuteranopia (green-blind)

#D7C13B

Tritanopia (blue-blind)

#ADC6B3

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #a5d128;
/* rgb */ color: rgb(165, 209, 40);
/* oklch */ color: oklch(80.1% 0.188 124.1);

Tailwind

colors: {
  custom: {
    50: '#c4df72',
    500: '#a5d128',
    950: '#000000',
  },
}

SCSS

$custom: #a5d128;
$custom-light: #c4df72;
$custom-dark: #000000;

JSON

{
  "hex": "#a5d128",
  "rgb": {
    "r": 165,
    "g": 209,
    "b": 40
  },
  "hsl": {
    "h": 75.621,
    "s": 67.871,
    "l": 48.824
  },
  "oklch": {
    "l": 0.8009,
    "c": 0.18797,
    "h": 124.1
  },
  "luminance": 0.53753
}

Semantic roles & 50–950 ramp

primary

#A5D128

secondary

#3D2974

accent

#3DEB6A

background

#FEFEFB

surface

#FAFCF1

border

#D3D5CB

text

#131509

muted

#83847D

Preview Lab

Preview with #A5D128

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

Preview Lab → · Contrast checker → · Palette generator →