#A9E455#A9E455

#A9E455 is a very light, vivid yellow-green. Relative luminance 0.646; OKLCH L 85.1% C 0.182 H 128.8°. Best body text is #000000 at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#A9E455
RGB	rgb(169, 228, 85)
HSL	hsl(85, 73%, 61%)
HSV	hsv(85, 63%, 89%)
CMYK	cmyk(25.9%, 0%, 62.7%, 10.6%)
CIE-LAB	lab(84.27, -40.34, 61.81)
CIE-LCH	lch(84.27, 73.81, 123.13°)
OKLab	oklab(85.06% -0.1141 0.142)
OKLCH	oklch(85.06% 0.182 128.8)
XYZ	xyz(45.7451, 64.5767, 18.6470)
Luminance	0.6458 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9E455 #9055E4

analogous

#E4D855 #A9E455 #62E455

triadic

#A9E455 #55A9E4 #E455A9

tetradic

#A9E455 #55E4D8 #9055E4 #E45562

square

#A9E455 #55E4D8 #9055E4 #E45562

split-complementary

#A9E455 #5562E4 #D855E4

monochromatic

#6BA41A #8ED923 #A9E455 #C4EC8A #DEF5BF

Accessibility & contrast

On white

1.51

#A9E455 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.92

#A9E455 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9E455

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9E455	#FFFFFF	#000000	##000000
##A9E455	1.00	1.51	13.92	13.92
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.92	21.00	1.00	1.00
##000000	13.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED543

Deuteranopia (green-blind)

#E6D160

Tritanopia (blue-blind)

#AEDAC6

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #a9e455;
/* rgb */ color: rgb(169, 228, 85);
/* oklch */ color: oklch(85.1% 0.182 128.8);

Tailwind

colors: {
  custom: {
    50: '#c6ec8b',
    500: '#a9e455',
    950: '#000000',
  },
}

SCSS

$custom: #a9e455;
$custom-light: #c6ec8b;
$custom-dark: #000000;

JSON

{
  "hex": "#a9e455",
  "rgb": {
    "r": 169,
    "g": 228,
    "b": 85
  },
  "hsl": {
    "h": 84.755,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.85061,
    "c": 0.18221,
    "h": 128.8
  },
  "luminance": 0.64578
}

Semantic roles & 50–950 ramp

primary

#A9E455

secondary

#6536A7

accent

#11D562

background

#FEFEFC

surface

#FAFDF4

border

#D3D5CE

text

#13160C

muted

#83847F

Preview Lab

Preview with #A9E455

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

Preview Lab → · Contrast checker → · Palette generator →