#AECA21#AECA21

#AECA21 is a light, vivid yellow. Relative luminance 0.513; OKLCH L 79.1% C 0.179 H 119.5°. Best body text is #000000 at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#AECA21
RGB	rgb(174, 202, 33)
HSL	hsl(70, 72%, 46%)
HSV	hsv(70, 84%, 79%)
CMYK	cmyk(13.9%, 0%, 83.7%, 20.8%)
CIE-LAB	lab(76.89, -29.32, 72.07)
CIE-LCH	lch(76.89, 77.80, 112.14°)
OKLab	oklab(79.08% -0.0882 0.1558)
OKLCH	oklch(79.08% 0.179 119.5)
XYZ	xyz(38.8515, 51.3498, 9.3033)
Luminance	0.5135 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AECA21 #3D21CA

analogous

#CA9121 #AECA21 #59CA21

triadic

#AECA21 #21AECA #CA21AE

tetradic

#AECA21 #21CA91 #3D21CA #CA2159

square

#AECA21 #21CA91 #3D21CA #CA2159

split-complementary

#AECA21 #2159CA #9121CA

monochromatic

#536110 #819518 #AECA21 #C8E147 #D7EA7C

Accessibility & contrast

On white

1.86

#AECA21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.27

#AECA21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #AECA21

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AECA21	#FFFFFF	#000000	##000000
##AECA21	1.00	1.86	11.27	11.27
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.27	21.00	1.00	1.00
##000000	11.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BE00

Deuteranopia (green-blind)

#D4BE35

Tritanopia (blue-blind)

#B9BFAC

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #aeca21;
/* rgb */ color: rgb(174, 202, 33);
/* oklch */ color: oklch(79.1% 0.179 119.5);

Tailwind

colors: {
  custom: {
    50: '#cada6f',
    500: '#aeca21',
    950: '#000000',
  },
}

SCSS

$custom: #aeca21;
$custom-light: #cada6f;
$custom-dark: #000000;

JSON

{
  "hex": "#aeca21",
  "rgb": {
    "r": 174,
    "g": 202,
    "b": 33
  },
  "hsl": {
    "h": 69.941,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.79081,
    "c": 0.179,
    "h": 119.5
  },
  "luminance": 0.5135
}

Semantic roles & 50–950 ramp

primary

#AECA21

secondary

#2F246C

accent

#39EF57

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141408

muted

#83837D

Preview Lab

Preview with #AECA21

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

Preview Lab → · Contrast checker → · Palette generator →