#A3CA25#A3CA25

#A3CA25 is a light, vivid yellow-green. Relative luminance 0.502; OKLCH L 78.3% C 0.182 H 123.0°. Best body text is #000000 at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#A3CA25
RGB	rgb(163, 202, 37)
HSL	hsl(74, 69%, 47%)
HSV	hsv(74, 82%, 79%)
CMYK	cmyk(19.3%, 0%, 81.7%, 20.8%)
CIE-LAB	lab(76.17, -33.65, 70.19)
CIE-LCH	lch(76.17, 77.84, 115.61°)
OKLab	oklab(78.31% -0.0992 0.1527)
OKLCH	oklch(78.31% 0.182 123)
XYZ	xyz(36.5593, 50.1610, 9.5059)
Luminance	0.5016 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3CA25 #4C25CA

analogous

#CA9F25 #A3CA25 #50CA25

triadic

#A3CA25 #25A3CA #CA25A3

tetradic

#A3CA25 #25CA9F #4C25CA #CA2550

square

#A3CA25 #25CA9F #4C25CA #CA2550

split-complementary

#A3CA25 #2550CA #9F25CA

monochromatic

#506312 #79961C #A3CA25 #BCDF4E #D0E881

Accessibility & contrast

On white

1.90

#A3CA25 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.03

#A3CA25 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3CA25

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3CA25	#FFFFFF	#000000	##000000
##A3CA25	1.00	1.90	11.03	11.03
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.03	21.00	1.00	1.00
##000000	11.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD00

Deuteranopia (green-blind)

#D1BC38

Tritanopia (blue-blind)

#ACBFAD

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a3ca25;
/* rgb */ color: rgb(163, 202, 37);
/* oklch */ color: oklch(78.3% 0.182 123.0);

Tailwind

colors: {
  custom: {
    50: '#c3da70',
    500: '#a3ca25',
    950: '#000000',
  },
}

SCSS

$custom: #a3ca25;
$custom-light: #c3da70;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ca25",
  "rgb": {
    "r": 163,
    "g": 202,
    "b": 37
  },
  "hsl": {
    "h": 74.182,
    "s": 69.038,
    "l": 46.863
  },
  "oklch": {
    "l": 0.78314,
    "c": 0.18213,
    "h": 123
  },
  "luminance": 0.50161
}

Semantic roles & 50–950 ramp

primary

#A3CA25

secondary

#37266D

accent

#3CEC66

background

#FDFEFB

surface

#F9FBF1

border

#D2D4CB

text

#131408

muted

#82837D

Preview Lab

Preview with #A3CA25

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

Preview Lab → · Contrast checker → · Palette generator →