#A9D540#A9D540

#A9D540 is a light, vivid yellow-green. Relative luminance 0.564; OKLCH L 81.4% C 0.178 H 124.7°. Best body text is #000000 at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#A9D540
RGB	rgb(169, 213, 64)
HSL	hsl(78, 64%, 54%)
HSV	hsv(78, 70%, 84%)
CMYK	cmyk(20.7%, 0%, 70%, 16.5%)
CIE-LAB	lab(79.84, -35.05, 65.34)
CIE-LCH	lch(79.84, 74.14, 118.21°)
OKLab	oklab(81.43% -0.1014 0.1466)
OKLCH	oklch(81.43% 0.178 124.7)
XYZ	xyz(41.0822, 56.3933, 13.5701)
Luminance	0.5639 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9D540 #6C40D5

analogous

#D5B640 #A9D540 #5FD540

triadic

#A9D540 #40A9D5 #D540A9

tetradic

#A9D540 #40D5B6 #6C40D5 #D5405F

square

#A9D540 #40D5B6 #6C40D5 #D5405F

split-complementary

#A9D540 #405FD5 #B640D5

monochromatic

#627F1C #88B127 #A9D540 #C0E072 #D6EBA4

Accessibility & contrast

On white

1.71

#A9D540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.28

#A9D540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9D540

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9D540	#FFFFFF	#000000	##000000
##A9D540	1.00	1.71	12.28	12.28
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.28	21.00	1.00	1.00
##000000	12.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C727

Deuteranopia (green-blind)

#DBC54D

Tritanopia (blue-blind)

#B1CBB8

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #a9d540;
/* rgb */ color: rgb(169, 213, 64);
/* oklch */ color: oklch(81.4% 0.178 124.7);

Tailwind

colors: {
  custom: {
    50: '#c6e27e',
    500: '#a9d540',
    950: '#000000',
  },
}

SCSS

$custom: #a9d540;
$custom-light: #c6e27e;
$custom-dark: #000000;

JSON

{
  "hex": "#a9d540",
  "rgb": {
    "r": 169,
    "g": 213,
    "b": 64
  },
  "hsl": {
    "h": 77.718,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.81425,
    "c": 0.17824,
    "h": 124.7
  },
  "luminance": 0.56394
}

Semantic roles & 50–950 ramp

primary

#A9D540

secondary

#4C3386

accent

#41E772

background

#FEFEFB

surface

#FAFCF2

border

#D3D5CC

text

#13150A

muted

#83847D

Preview Lab

Preview with #A9D540

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

Preview Lab → · Contrast checker → · Palette generator →