#A3FF45#A3FF45

#A3FF45 is a very light, highly saturated yellow-green. Relative luminance 0.797; OKLCH L 90.9% C 0.228 H 132.6°. Best body text is #000000 at 16.95:1 contrast (WCAG AA passes).

Color values

HEX	#A3FF45
RGB	rgb(163, 255, 69)
HSL	hsl(90, 100%, 64%)
HSV	hsv(90, 73%, 100%)
CMYK	cmyk(36.1%, 0%, 72.9%, 0%)
CIE-LAB	lab(91.57, -54.87, 75.12)
CIE-LCH	lch(91.57, 93.02, 126.14°)
OKLab	oklab(90.89% -0.1546 0.168)
OKLCH	oklch(90.89% 0.228 132.6)
XYZ	xyz(51.9377, 79.7339, 18.2827)
Luminance	0.7974 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3FF45 #A145FF

analogous

#FFFE45 #A3FF45 #46FF45

triadic

#A3FF45 #45A3FF #FF45A3

tetradic

#A3FF45 #45FFFE #A145FF #FF4546

square

#A3FF45 #45FFFE #A145FF #FF4546

split-complementary

#A3FF45 #4546FF #FE45FF

monochromatic

#66CA00 #85FF08 #A3FF45 #C1FF82 #E0FFBF

Accessibility & contrast

On white

1.24

#A3FF45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.95

#A3FF45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3FF45

16.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3FF45	#FFFFFF	#000000	##000000
##A3FF45	1.00	1.24	16.95	16.95
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.95	21.00	1.00	1.00
##000000	16.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB1E

Deuteranopia (green-blind)

#FDE457

Tritanopia (blue-blind)

#A4F5DB

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #a3ff45;
/* rgb */ color: rgb(163, 255, 69);
/* oklch */ color: oklch(90.9% 0.228 132.6);

Tailwind

colors: {
  custom: {
    50: '#c4ff84',
    500: '#a3ff45',
    950: '#000000',
  },
}

SCSS

$custom: #a3ff45;
$custom-light: #c4ff84;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ff45",
  "rgb": {
    "r": 163,
    "g": 255,
    "b": 69
  },
  "hsl": {
    "h": 89.677,
    "s": 100,
    "l": 63.529
  },
  "oklch": {
    "l": 0.90886,
    "c": 0.22832,
    "h": 132.6
  },
  "luminance": 0.79736
}

Semantic roles & 50–950 ramp

primary

#A3FF45

secondary

#7323C5

accent

#00E672

background

#FEFFFC

surface

#FAFFF4

border

#D3D7CE

text

#13180C

muted

#83867F

Preview Lab

Preview with #A3FF45

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

Preview Lab → · Contrast checker → · Palette generator →