#A5CA21#A5CA21

#A5CA21 is a light, vivid yellow-green. Relative luminance 0.503; OKLCH L 78.4% C 0.183 H 122.3°. Best body text is #000000 at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#A5CA21
RGB	rgb(165, 202, 33)
HSL	hsl(73, 72%, 46%)
HSV	hsv(73, 84%, 79%)
CMYK	cmyk(18.3%, 0%, 83.7%, 20.8%)
CIE-LAB	lab(76.28, -32.98, 71.31)
CIE-LCH	lch(76.28, 78.57, 114.82°)
OKLab	oklab(78.44% -0.0977 0.1545)
OKLCH	oklch(78.44% 0.183 122.3)
XYZ	xyz(36.9127, 50.3501, 9.2124)
Luminance	0.5035 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5CA21 #4621CA

analogous

#CA9A21 #A5CA21 #50CA21

triadic

#A5CA21 #21A5CA #CA21A5

tetradic

#A5CA21 #21CA9A #4621CA #CA2150

square

#A5CA21 #21CA9A #4621CA #CA2150

split-complementary

#A5CA21 #2150CA #9A21CA

monochromatic

#4F6110 #7A9518 #A5CA21 #BFE147 #D2EA7C

Accessibility & contrast

On white

1.90

#A5CA21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.07

#A5CA21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A5CA21

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5CA21	#FFFFFF	#000000	##000000
##A5CA21	1.00	1.90	11.07	11.07
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.07	21.00	1.00	1.00
##000000	11.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD00

Deuteranopia (green-blind)

#D2BC35

Tritanopia (blue-blind)

#AEBFAC

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a5ca21;
/* rgb */ color: rgb(165, 202, 33);
/* oklch */ color: oklch(78.4% 0.183 122.3);

Tailwind

colors: {
  custom: {
    50: '#c4da6f',
    500: '#a5ca21',
    950: '#000000',
  },
}

SCSS

$custom: #a5ca21;
$custom-light: #c4da6f;
$custom-dark: #000000;

JSON

{
  "hex": "#a5ca21",
  "rgb": {
    "r": 165,
    "g": 202,
    "b": 33
  },
  "hsl": {
    "h": 73.136,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.78436,
    "c": 0.18279,
    "h": 122.3
  },
  "luminance": 0.5035
}

Semantic roles & 50–950 ramp

primary

#A5CA21

secondary

#33246C

accent

#39EF61

background

#FEFEFB

surface

#FAFBF1

border

#D3D4CB

text

#131408

muted

#83837D

Preview Lab

Preview with #A5CA21

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

Preview Lab → · Contrast checker → · Palette generator →