#AACA21#AACA21

#AACA21 is a light, vivid yellow-green. Relative luminance 0.509; OKLCH L 78.8% C 0.181 H 120.8°. Best body text is #000000 at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#AACA21
RGB	rgb(170, 202, 33)
HSL	hsl(71, 72%, 46%)
HSV	hsv(71, 84%, 79%)
CMYK	cmyk(15.8%, 0%, 83.7%, 20.8%)
CIE-LAB	lab(76.62, -30.95, 71.72)
CIE-LCH	lch(76.62, 78.12, 113.34°)
OKLab	oklab(78.79% -0.0925 0.1552)
OKLCH	oklch(78.79% 0.181 120.8)
XYZ	xyz(37.9734, 50.8970, 9.2622)
Luminance	0.5090 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AACA21 #4121CA

analogous

#CA9521 #AACA21 #55CA21

triadic

#AACA21 #21AACA #CA21AA

tetradic

#AACA21 #21CA95 #4121CA #CA2155

square

#AACA21 #21CA95 #4121CA #CA2155

split-complementary

#AACA21 #2155CA #9521CA

monochromatic

#516110 #7E9518 #AACA21 #C4E147 #D5EA7C

Accessibility & contrast

On white

1.88

#AACA21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.18

#AACA21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #AACA21

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AACA21	#FFFFFF	#000000	##000000
##AACA21	1.00	1.88	11.18	11.18
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.18	21.00	1.00	1.00
##000000	11.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BE00

Deuteranopia (green-blind)

#D3BD35

Tritanopia (blue-blind)

#B4BFAC

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #aaca21;
/* rgb */ color: rgb(170, 202, 33);
/* oklch */ color: oklch(78.8% 0.181 120.8);

Tailwind

colors: {
  custom: {
    50: '#c8da6f',
    500: '#aaca21',
    950: '#000000',
  },
}

SCSS

$custom: #aaca21;
$custom-light: #c8da6f;
$custom-dark: #000000;

JSON

{
  "hex": "#aaca21",
  "rgb": {
    "r": 170,
    "g": 202,
    "b": 33
  },
  "hsl": {
    "h": 71.361,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.7879,
    "c": 0.18063,
    "h": 120.8
  },
  "luminance": 0.50897
}

Semantic roles & 50–950 ramp

primary

#AACA21

secondary

#31246C

accent

#39EF5C

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141408

muted

#83837D

Preview Lab

Preview with #AACA21

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

Preview Lab → · Contrast checker → · Palette generator →