#A3D740#A3D740

#A3D740 is a light, vivid yellow-green. Relative luminance 0.568; OKLCH L 81.5% C 0.183 H 126.8°. Best body text is #000000 at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#A3D740
RGB	rgb(163, 215, 64)
HSL	hsl(81, 65%, 55%)
HSV	hsv(81, 70%, 84%)
CMYK	cmyk(24.2%, 0%, 70.2%, 15.7%)
CIE-LAB	lab(80.04, -38.25, 65.42)
CIE-LCH	lch(80.04, 75.78, 120.32°)
OKLab	oklab(81.5% -0.1098 0.1469)
OKLCH	oklch(81.5% 0.183 126.8)
XYZ	xyz(40.3302, 56.7569, 13.6799)
Luminance	0.5676 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3D740 #7440D7

analogous

#D7BF40 #A3D740 #58D740

triadic

#A3D740 #40A3D7 #D740A3

tetradic

#A3D740 #40D7BF #7440D7 #D74058

square

#A3D740 #40D7BF #7440D7 #D74058

split-complementary

#A3D740 #4058D7 #BF40D7

monochromatic

#5E811B #83B426 #A3D740 #BBE273 #D4ECA5

Accessibility & contrast

On white

1.70

#A3D740 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.35

#A3D740 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3D740

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3D740	#FFFFFF	#000000	##000000
##A3D740	1.00	1.70	12.35	12.35
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.35	21.00	1.00	1.00
##000000	12.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C926

Deuteranopia (green-blind)

#DBC64D

Tritanopia (blue-blind)

#A9CDB9

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #a3d740;
/* rgb */ color: rgb(163, 215, 64);
/* oklch */ color: oklch(81.5% 0.183 126.8);

Tailwind

colors: {
  custom: {
    50: '#c2e37e',
    500: '#a3d740',
    950: '#000000',
  },
}

SCSS

$custom: #a3d740;
$custom-light: #c2e37e;
$custom-dark: #000000;

JSON

{
  "hex": "#a3d740",
  "rgb": {
    "r": 163,
    "g": 215,
    "b": 64
  },
  "hsl": {
    "h": 80.662,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.81496,
    "c": 0.18342,
    "h": 126.8
  },
  "luminance": 0.56758
}

Semantic roles & 50–950 ramp

primary

#A3D740

secondary

#503388

accent

#3FE87A

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #A3D740

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

Preview Lab → · Contrast checker → · Palette generator →