#A3EF54#A3EF54

#A3EF54 is a very light, vivid yellow-green. Relative luminance 0.702; OKLCH L 87.3% C 0.200 H 131.7°. Best body text is #000000 at 15.03:1 contrast (WCAG AA passes).

Color values

HEX	#A3EF54
RGB	rgb(163, 239, 84)
HSL	hsl(89, 83%, 63%)
HSV	hsv(89, 65%, 94%)
CMYK	cmyk(31.8%, 0%, 64.9%, 6.3%)
CIE-LAB	lab(87.07, -47.30, 65.13)
CIE-LCH	lch(87.07, 80.50, 125.99°)
OKLab	oklab(87.26% -0.133 0.149)
OKLCH	oklch(87.26% 0.2 131.7)
XYZ	xyz(47.5704, 70.1579, 19.4212)
Luminance	0.7016 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3EF54 #A054EF

analogous

#EFED54 #A3EF54 #55EF54

triadic

#A3EF54 #54A3EF #EF54A3

tetradic

#A3EF54 #54EFED #A054EF #EF5455

square

#A3EF54 #54EFED #A054EF #EF5455

split-complementary

#A3EF54 #5455EF #ED54EF

monochromatic

#66B711 #85EA1C #A3EF54 #C1F48C #DFF9C4

Accessibility & contrast

On white

1.40

#A3EF54 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.03

#A3EF54 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3EF54

15.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3EF54	#FFFFFF	#000000	##000000
##A3EF54	1.00	1.40	15.03	15.03
#FFFFFF	1.40	1.00	21.00	21.00
#000000	15.03	21.00	1.00	1.00
##000000	15.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DE3F

Deuteranopia (green-blind)

#EED861

Tritanopia (blue-blind)

#A5E6CF

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #a3ef54;
/* rgb */ color: rgb(163, 239, 84);
/* oklch */ color: oklch(87.3% 0.200 131.7);

Tailwind

colors: {
  custom: {
    50: '#c3f48b',
    500: '#a3ef54',
    950: '#000000',
  },
}

SCSS

$custom: #a3ef54;
$custom-light: #c3f48b;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ef54",
  "rgb": {
    "r": 163,
    "g": 239,
    "b": 84
  },
  "hsl": {
    "h": 89.419,
    "s": 82.888,
    "l": 63.333
  },
  "oklch": {
    "l": 0.87255,
    "c": 0.19972,
    "h": 131.7
  },
  "luminance": 0.7016
}

Semantic roles & 50–950 ramp

primary

#A3EF54

secondary

#7231B7

accent

#06DF71

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13170C

muted

#82857F

Preview Lab

Preview with #A3EF54

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

Preview Lab → · Contrast checker → · Palette generator →