#A9E555#A9E555

#A9E555 is a very light, vivid yellow-green. Relative luminance 0.651; OKLCH L 85.3% C 0.183 H 129.0°. Best body text is #000000 at 14.03:1 contrast (WCAG AA passes).

Color values

HEX	#A9E555
RGB	rgb(169, 229, 85)
HSL	hsl(85, 73%, 62%)
HSV	hsv(85, 63%, 90%)
CMYK	cmyk(26.2%, 0%, 62.9%, 10.2%)
CIE-LAB	lab(84.55, -40.78, 62.11)
CIE-LCH	lch(84.55, 74.31, 123.29°)
OKLab	oklab(85.29% -0.1153 0.1427)
OKLCH	oklch(85.29% 0.183 129)
XYZ	xyz(46.0210, 65.1284, 18.7390)
Luminance	0.6513 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9E555 #9155E5

analogous

#E5D955 #A9E555 #61E555

triadic

#A9E555 #55A9E5 #E555A9

tetradic

#A9E555 #55E5D9 #9155E5 #E55561

square

#A9E555 #55E5D9 #9155E5 #E55561

split-complementary

#A9E555 #5561E5 #D955E5

monochromatic

#6CA619 #8EDB22 #A9E555 #C4ED8A #DFF5BF

Accessibility & contrast

On white

1.50

#A9E555 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.03

#A9E555 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9E555

14.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9E555	#FFFFFF	#000000	##000000
##A9E555	1.00	1.50	14.03	14.03
#FFFFFF	1.50	1.00	21.00	21.00
#000000	14.03	21.00	1.00	1.00
##000000	14.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD643

Deuteranopia (green-blind)

#E7D260

Tritanopia (blue-blind)

#AEDBC7

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #a9e555;
/* rgb */ color: rgb(169, 229, 85);
/* oklch */ color: oklch(85.3% 0.183 129.0);

Tailwind

colors: {
  custom: {
    50: '#c6ed8b',
    500: '#a9e555',
    950: '#000000',
  },
}

SCSS

$custom: #a9e555;
$custom-light: #c6ed8b;
$custom-dark: #000000;

JSON

{
  "hex": "#a9e555",
  "rgb": {
    "r": 169,
    "g": 229,
    "b": 85
  },
  "hsl": {
    "h": 85,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.85292,
    "c": 0.18348,
    "h": 129
  },
  "luminance": 0.6513
}

Semantic roles & 50–950 ramp

primary

#A9E555

secondary

#6636A8

accent

#10D662

background

#FEFFFC

surface

#FAFEF4

border

#D3D6CE

text

#13160C

muted

#83857F

Preview Lab

Preview with #A9E555

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

Preview Lab → · Contrast checker → · Palette generator →