#A4D540#A4D540

#A4D540 is a light, vivid yellow-green. Relative luminance 0.559; OKLCH L 81.1% C 0.181 H 126.1°. Best body text is #000000 at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#A4D540
RGB	rgb(164, 213, 64)
HSL	hsl(80, 64%, 54%)
HSV	hsv(80, 70%, 84%)
CMYK	cmyk(23%, 0%, 70%, 16.5%)
CIE-LAB	lab(79.53, -36.97, 64.92)
CIE-LCH	lch(79.53, 74.71, 119.66°)
OKLab	oklab(81.1% -0.1063 0.1459)
OKLCH	oklch(81.1% 0.181 126.1)
XYZ	xyz(40.0297, 55.8506, 13.5208)
Luminance	0.5585 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4D540 #7140D5

analogous

#D5BC40 #A4D540 #5AD540

triadic

#A4D540 #40A4D5 #D540A4

tetradic

#A4D540 #40D5BC #7140D5 #D5405A

square

#A4D540 #40D5BC #7140D5 #D5405A

split-complementary

#A4D540 #405AD5 #BC40D5

monochromatic

#5E7F1C #84B127 #A4D540 #BCE072 #D4EBA4

Accessibility & contrast

On white

1.73

#A4D540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.17

#A4D540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4D540

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4D540	#FFFFFF	#000000	##000000
##A4D540	1.00	1.73	12.17	12.17
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.17	21.00	1.00	1.00
##000000	12.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C727

Deuteranopia (green-blind)

#D9C44D

Tritanopia (blue-blind)

#ABCBB8

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #a4d540;
/* rgb */ color: rgb(164, 213, 64);
/* oklch */ color: oklch(81.1% 0.181 126.1);

Tailwind

colors: {
  custom: {
    50: '#c3e27e',
    500: '#a4d540',
    950: '#000000',
  },
}

SCSS

$custom: #a4d540;
$custom-light: #c3e27e;
$custom-dark: #000000;

JSON

{
  "hex": "#a4d540",
  "rgb": {
    "r": 164,
    "g": 213,
    "b": 64
  },
  "hsl": {
    "h": 79.732,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.81095,
    "c": 0.18052,
    "h": 126.1
  },
  "luminance": 0.55851
}

Semantic roles & 50–950 ramp

primary

#A4D540

secondary

#4E3386

accent

#41E777

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #A4D540

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

Preview Lab → · Contrast checker → · Palette generator →