#A9E55A#A9E55A

#A9E55A is a very light, vivid yellow-green. Relative luminance 0.652; OKLCH L 85.3% C 0.180 H 129.3°. Best body text is #000000 at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#A9E55A
RGB	rgb(169, 229, 90)
HSL	hsl(86, 73%, 63%)
HSV	hsv(86, 61%, 90%)
CMYK	cmyk(26.2%, 0%, 60.7%, 10.2%)
CIE-LAB	lab(84.59, -40.38, 60.08)
CIE-LCH	lch(84.59, 72.39, 123.90°)
OKLab	oklab(85.34% -0.1138 0.139)
OKLCH	oklch(85.34% 0.18 129.3)
XYZ	xyz(46.2267, 65.2107, 19.8223)
Luminance	0.6521 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9E55A #965AE5

analogous

#E5DB5A #A9E55A #64E55A

triadic

#A9E55A #5AA9E5 #E55AA9

tetradic

#A9E55A #5AE5DB #965AE5 #E55A64

square

#A9E55A #5AE5DB #965AE5 #E55A64

split-complementary

#A9E55A #5A64E5 #DB5AE5

monochromatic

#6CAA1B #8DDD25 #A9E55A #C5ED8F #E0F6C4

Accessibility & contrast

On white

1.50

#A9E55A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.04

#A9E55A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9E55A

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9E55A	#FFFFFF	#000000	##000000
##A9E55A	1.00	1.50	14.04	14.04
#FFFFFF	1.50	1.00	21.00	21.00
#000000	14.04	21.00	1.00	1.00
##000000	14.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD64A

Deuteranopia (green-blind)

#E7D264

Tritanopia (blue-blind)

#ADDCC8

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #a9e55a;
/* rgb */ color: rgb(169, 229, 90);
/* oklch */ color: oklch(85.3% 0.180 129.3);

Tailwind

colors: {
  custom: {
    50: '#c6ed8e',
    500: '#a9e55a',
    950: '#000000',
  },
}

SCSS

$custom: #a9e55a;
$custom-light: #c6ed8e;
$custom-dark: #000000;

JSON

{
  "hex": "#a9e55a",
  "rgb": {
    "r": 169,
    "g": 229,
    "b": 90
  },
  "hsl": {
    "h": 85.899,
    "s": 72.775,
    "l": 62.549
  },
  "oklch": {
    "l": 0.8534,
    "c": 0.17963,
    "h": 129.3
  },
  "luminance": 0.65212
}

Semantic roles & 50–950 ramp

primary

#A9E55A

secondary

#6A38AB

accent

#11D565

background

#FEFFFC

surface

#FAFEF4

border

#D3D6CE

text

#13160D

muted

#83857F

Preview Lab

Preview with #A9E55A

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

Preview Lab → · Contrast checker → · Palette generator →