#A3C040#A3C040

#A3C040 is a light, vivid yellow-green. Relative luminance 0.459; OKLCH L 76.2% C 0.155 H 121.2°. Best body text is #000000 at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#A3C040
RGB	rgb(163, 192, 64)
HSL	hsl(74, 50%, 50%)
HSV	hsv(74, 67%, 75%)
CMYK	cmyk(15.1%, 0%, 66.7%, 24.7%)
CIE-LAB	lab(73.45, -27.60, 58.70)
CIE-LCH	lch(73.45, 64.87, 115.18°)
OKLab	oklab(76.17% -0.0804 0.1328)
OKLCH	oklch(76.17% 0.155 121.2)
XYZ	xyz(34.8798, 45.8560, 11.8631)
Luminance	0.4586 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3C040 #5D40C0

analogous

#C09D40 #A3C040 #63C040

triadic

#A3C040 #40A3C0 #C040A3

tetradic

#A3C040 #40C09D #5D40C0 #C04063

square

#A3C040 #40C09D #5D40C0 #C04063

split-complementary

#A3C040 #4063C0 #9D40C0

monochromatic

#556421 #7C9230 #A3C040 #B9CF6E #CFDE9C

Accessibility & contrast

On white

2.06

#A3C040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.17

#A3C040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3C040

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3C040	#FFFFFF	#000000	##000000
##A3C040	1.00	2.06	10.17	10.17
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.17	21.00	1.00	1.00
##000000	10.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB52E

Deuteranopia (green-blind)

#C8B54A

Tritanopia (blue-blind)

#ACB6A6

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #a3c040;
/* rgb */ color: rgb(163, 192, 64);
/* oklch */ color: oklch(76.2% 0.155 121.2);

Tailwind

colors: {
  custom: {
    50: '#c1d37c',
    500: '#a3c040',
    950: '#000000',
  },
}

SCSS

$custom: #a3c040;
$custom-light: #c1d37c;
$custom-dark: #000000;

JSON

{
  "hex": "#a3c040",
  "rgb": {
    "r": 163,
    "g": 192,
    "b": 64
  },
  "hsl": {
    "h": 73.594,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.76169,
    "c": 0.15529,
    "h": 121.2
  },
  "luminance": 0.45856
}

Semantic roles & 50–950 ramp

primary

#A3C040

secondary

#9E91CB

accent

#4EDA6E

background

#FCFCF7

surface

#F8F9EE

border

#D1D2C9

text

#13140A

muted

#82827C

Preview Lab

Preview with #A3C040

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

Preview Lab → · Contrast checker → · Palette generator →