#A9E351#A9E351

#A9E351 is a very light, vivid yellow-green. Relative luminance 0.640; OKLCH L 84.8% C 0.184 H 128.3°. Best body text is #000000 at 13.79:1 contrast (WCAG AA passes).

Color values

HEX	#A9E351
RGB	rgb(169, 227, 81)
HSL	hsl(84, 72%, 60%)
HSV	hsv(84, 64%, 89%)
CMYK	cmyk(25.6%, 0%, 64.3%, 11%)
CIE-LAB	lab(83.95, -40.20, 63.09)
CIE-LCH	lch(83.95, 74.81, 122.51°)
OKLab	oklab(84.79% -0.1141 0.1442)
OKLCH	oklch(84.79% 0.184 128.3)
XYZ	xyz(45.3164, 63.9663, 17.7422)
Luminance	0.6397 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 5.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9E351 #8B51E3

analogous

#E3D451 #A9E351 #60E351

triadic

#A9E351 #51A9E3 #E351A9

tetradic

#A9E351 #51E3D4 #8B51E3 #E35160

square

#A9E351 #51E3D4 #8B51E3 #E35160

split-complementary

#A9E351 #5160E3 #D451E3

monochromatic

#6BA01A #8ED522 #A9E351 #C3EB86 #DDF4BA

Accessibility & contrast

On white

1.52

#A9E351 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.79

#A9E351 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9E351

13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9E351	#FFFFFF	#000000	##000000
##A9E351	1.00	1.52	13.79	13.79
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.79	21.00	1.00	1.00
##000000	13.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED43E

Deuteranopia (green-blind)

#E6D05C

Tritanopia (blue-blind)

#AED9C5

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #a9e351;
/* rgb */ color: rgb(169, 227, 81);
/* oklch */ color: oklch(84.8% 0.184 128.3);

Tailwind

colors: {
  custom: {
    50: '#c6ec88',
    500: '#a9e351',
    950: '#000000',
  },
}

SCSS

$custom: #a9e351;
$custom-light: #c6ec88;
$custom-dark: #000000;

JSON

{
  "hex": "#a9e351",
  "rgb": {
    "r": 169,
    "g": 227,
    "b": 81
  },
  "hsl": {
    "h": 83.836,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.84793,
    "c": 0.18391,
    "h": 128.3
  },
  "luminance": 0.63967
}

Semantic roles & 50–950 ramp

primary

#A9E351

secondary

#6135A3

accent

#11D45F

background

#FEFEFC

surface

#FAFDF4

border

#D3D5CE

text

#13160C

muted

#83847F

Preview Lab

Preview with #A9E351

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

Preview Lab → · Contrast checker → · Palette generator →