#A3EF5A#A3EF5A

#A3EF5A is a very light, vivid yellow-green. Relative luminance 0.703; OKLCH L 87.3% C 0.195 H 132.2°. Best body text is #000000 at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#A3EF5A
RGB	rgb(163, 239, 90)
HSL	hsl(91, 82%, 65%)
HSV	hsv(91, 62%, 94%)
CMYK	cmyk(31.8%, 0%, 62.3%, 6.3%)
CIE-LAB	lab(87.12, -46.83, 62.77)
CIE-LCH	lch(87.12, 78.32, 126.72°)
OKLab	oklab(87.31% -0.1312 0.1447)
OKLCH	oklch(87.31% 0.195 132.2)
XYZ	xyz(47.8156, 70.2560, 20.7123)
Luminance	0.7026 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3EF5A #A65AEF

analogous

#EDEF5A #A3EF5A #5AEF5C

triadic

#A3EF5A #5AA3EF #EF5AA3

tetradic

#A3EF5A #5AEDEF #A65AEF #EF5C5A

square

#A3EF5A #5AEDEF #A65AEF #EF5C5A

split-complementary

#A3EF5A #5C5AEF #EF5AED

monochromatic

#66BC12 #84EA22 #A3EF5A #C2F492 #E1FACA

Accessibility & contrast

On white

1.40

#A3EF5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.05

#A3EF5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3EF5A

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3EF5A	#FFFFFF	#000000	##000000
##A3EF5A	1.00	1.40	15.05	15.05
#FFFFFF	1.40	1.00	21.00	21.00
#000000	15.05	21.00	1.00	1.00
##000000	15.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DE48

Deuteranopia (green-blind)

#EED866

Tritanopia (blue-blind)

#A5E6D0

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #a3ef5a;
/* rgb */ color: rgb(163, 239, 90);
/* oklch */ color: oklch(87.3% 0.195 132.2);

Tailwind

colors: {
  custom: {
    50: '#c2f48e',
    500: '#a3ef5a',
    950: '#000000',
  },
}

SCSS

$custom: #a3ef5a;
$custom-light: #c2f48e;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ef5a",
  "rgb": {
    "r": 163,
    "g": 239,
    "b": 90
  },
  "hsl": {
    "h": 90.604,
    "s": 82.32,
    "l": 64.51
  },
  "oklch": {
    "l": 0.87309,
    "c": 0.19536,
    "h": 132.2
  },
  "luminance": 0.70258
}

Semantic roles & 50–950 ramp

primary

#A3EF5A

secondary

#7832BB

accent

#07DF75

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13170D

muted

#82857F

Preview Lab

Preview with #A3EF5A

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

Preview Lab → · Contrast checker → · Palette generator →