#A3CA45#A3CA45

#A3CA45 is a light, vivid yellow-green. Relative luminance 0.505; OKLCH L 78.5% C 0.164 H 124.2°. Best body text is #000000 at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#A3CA45
RGB	rgb(163, 202, 69)
HSL	hsl(78, 56%, 53%)
HSV	hsv(78, 66%, 79%)
CMYK	cmyk(19.3%, 0%, 65.8%, 20.8%)
CIE-LAB	lab(76.35, -31.99, 59.73)
CIE-LCH	lch(76.35, 67.76, 118.17°)
OKLab	oklab(78.52% -0.0921 0.1357)
OKLCH	oklch(78.52% 0.164 124.2)
XYZ	xyz(37.2992, 50.4570, 13.4032)
Luminance	0.5046 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3CA45 #6C45CA

analogous

#CAAE45 #A3CA45 #60CA45

triadic

#A3CA45 #45A3CA #CA45A3

tetradic

#A3CA45 #45CAAE #6C45CA #CA4560

square

#A3CA45 #45CAAE #6C45CA #CA4560

split-complementary

#A3CA45 #4560CA #AE45CA

monochromatic

#5B7421 #81A32F #A3CA45 #BBD875 #D2E5A4

Accessibility & contrast

On white

1.89

#A3CA45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.09

#A3CA45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3CA45

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3CA45	#FFFFFF	#000000	##000000
##A3CA45	1.00	1.89	11.09	11.09
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.09	21.00	1.00	1.00
##000000	11.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BE33

Deuteranopia (green-blind)

#D0BC4F

Tritanopia (blue-blind)

#AAC0AF

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a3ca45;
/* rgb */ color: rgb(163, 202, 69);
/* oklch */ color: oklch(78.5% 0.164 124.2);

Tailwind

colors: {
  custom: {
    50: '#c1da7f',
    500: '#a3ca45',
    950: '#000000',
  },
}

SCSS

$custom: #a3ca45;
$custom-light: #c1da7f;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ca45",
  "rgb": {
    "r": 163,
    "g": 202,
    "b": 69
  },
  "hsl": {
    "h": 77.594,
    "s": 55.649,
    "l": 53.137
  },
  "oklch": {
    "l": 0.78518,
    "c": 0.16403,
    "h": 124.2
  },
  "luminance": 0.50457
}

Semantic roles & 50–950 ramp

primary

#A3CA45

secondary

#4B377D

accent

#49DF75

background

#FDFEFB

surface

#F9FBF2

border

#D2D4CC

text

#13140B

muted

#82837E

Preview Lab

Preview with #A3CA45

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

Preview Lab → · Contrast checker → · Palette generator →