#A3D54B#A3D54B

#A3D54B is a light, vivid yellow-green. Relative luminance 0.559; OKLCH L 81.1% C 0.173 H 127.0°. Best body text is #000000 at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#A3D54B
RGB	rgb(163, 213, 75)
HSL	hsl(82, 62%, 56%)
HSV	hsv(82, 65%, 84%)
CMYK	cmyk(23.5%, 0%, 64.8%, 16.5%)
CIE-LAB	lab(79.55, -36.62, 60.70)
CIE-LCH	lch(79.55, 70.89, 121.10°)
OKLab	oklab(81.12% -0.1044 0.1386)
OKLCH	oklch(81.12% 0.173 127)
XYZ	xyz(40.1685, 55.8823, 15.3253)
Luminance	0.5588 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3D54B #7D4BD5

analogous

#D5C24B #A3D54B #5ED54B

triadic

#A3D54B #4BA3D5 #D54BA3

tetradic

#A3D54B #4BD5C2 #7D4BD5 #D54B5E

square

#A3D54B #4BD5C2 #7D4BD5 #D54B5E

split-complementary

#A3D54B #4B5ED5 #C24BD5

monochromatic

#61861F #85B82B #A3D54B #BCE17D #D6ECAE

Accessibility & contrast

On white

1.72

#A3D54B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.18

#A3D54B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3D54B

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3D54B	#FFFFFF	#000000	##000000
##A3D54B	1.00	1.72	12.18	12.18
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.18	21.00	1.00	1.00
##000000	12.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C739

Deuteranopia (green-blind)

#D9C456

Tritanopia (blue-blind)

#A9CCB9

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #a3d54b;
/* rgb */ color: rgb(163, 213, 75);
/* oklch */ color: oklch(81.1% 0.173 127.0);

Tailwind

colors: {
  custom: {
    50: '#c2e284',
    500: '#a3d54b',
    950: '#000000',
  },
}

SCSS

$custom: #a3d54b;
$custom-light: #c2e284;
$custom-dark: #000000;

JSON

{
  "hex": "#a3d54b",
  "rgb": {
    "r": 163,
    "g": 213,
    "b": 75
  },
  "hsl": {
    "h": 81.739,
    "s": 62.162,
    "l": 56.471
  },
  "oklch": {
    "l": 0.81119,
    "c": 0.17347,
    "h": 127
  },
  "luminance": 0.55883
}

Semantic roles & 50–950 ramp

primary

#A3D54B

secondary

#56378D

accent

#43E57E

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150B

muted

#82847E

Preview Lab

Preview with #A3D54B

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

Preview Lab → · Contrast checker → · Palette generator →