#A3E54B#A3E54B

#A3E54B is a very light, vivid yellow-green. Relative luminance 0.643; OKLCH L 84.8% C 0.193 H 129.8°. Best body text is #000000 at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#A3E54B
RGB	rgb(163, 229, 75)
HSL	hsl(86, 75%, 60%)
HSV	hsv(86, 67%, 90%)
CMYK	cmyk(28.8%, 0%, 67.2%, 10.2%)
CIE-LAB	lab(84.14, -43.69, 65.52)
CIE-LCH	lch(84.14, 78.75, 123.70°)
OKLab	oklab(84.85% -0.1238 0.1487)
OKLCH	oklch(84.85% 0.193 129.8)
XYZ	xyz(44.3933, 64.3319, 16.7336)
Luminance	0.6433 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3E54B #8D4BE5

analogous

#E5DA4B #A3E54B #56E54B

triadic

#A3E54B #4BA3E5 #E54BA3

tetradic

#A3E54B #4BE5DA #8D4BE5 #E54B56

square

#A3E54B #4BE5DA #8D4BE5 #E54B56

split-complementary

#A3E54B #4B56E5 #DA4BE5

monochromatic

#649F17 #86D41F #A3E54B #BEED80 #DAF4B6

Accessibility & contrast

On white

1.51

#A3E54B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.87

#A3E54B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3E54B

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3E54B	#FFFFFF	#000000	##000000
##A3E54B	1.00	1.51	13.87	13.87
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.87	21.00	1.00	1.00
##000000	13.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD534

Deuteranopia (green-blind)

#E6D058

Tritanopia (blue-blind)

#A7DBC6

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #a3e54b;
/* rgb */ color: rgb(163, 229, 75);
/* oklch */ color: oklch(84.8% 0.193 129.8);

Tailwind

colors: {
  custom: {
    50: '#c2ed85',
    500: '#a3e54b',
    950: '#000000',
  },
}

SCSS

$custom: #a3e54b;
$custom-light: #c2ed85;
$custom-dark: #000000;

JSON

{
  "hex": "#a3e54b",
  "rgb": {
    "r": 163,
    "g": 229,
    "b": 75
  },
  "hsl": {
    "h": 85.714,
    "s": 74.757,
    "l": 59.608
  },
  "oklch": {
    "l": 0.84845,
    "c": 0.19348,
    "h": 129.8
  },
  "luminance": 0.64333
}

Semantic roles & 50–950 ramp

primary

#A3E54B

secondary

#6233A2

accent

#36F187

background

#FDFFFC

surface

#F9FEF3

border

#D2D6CD

text

#13160C

muted

#82857F

Preview Lab

Preview with #A3E54B

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

Preview Lab → · Contrast checker → · Palette generator →