#AEC21F#AEC21F

#AEC21F is a light, vivid yellow. Relative luminance 0.477; OKLCH L 77.3% C 0.171 H 117.1°. Best body text is #000000 at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#AEC21F
RGB	rgb(174, 194, 31)
HSL	hsl(67, 72%, 44%)
HSV	hsv(67, 84%, 76%)
CMYK	cmyk(10.3%, 0%, 84%, 23.9%)
CIE-LAB	lab(74.62, -25.55, 70.60)
CIE-LCH	lch(74.62, 75.08, 109.90°)
OKLab	oklab(77.25% -0.078 0.1523)
OKLCH	oklch(77.25% 0.171 117.1)
XYZ	xyz(36.9957, 47.6816, 8.5506)
Luminance	0.4768 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AEC21F #331FC2

analogous

#C2851F #AEC21F #5DC21F

triadic

#AEC21F #1FAEC2 #C21FAE

tetradic

#AEC21F #1FC285 #331FC2 #C21F5D

square

#AEC21F #1FC285 #331FC2 #C21F5D

split-complementary

#AEC21F #1F5DC2 #851FC2

monochromatic

#4F580E #7F8D17 #AEC21F #CCE03E #DAE973

Accessibility & contrast

On white

1.99

#AEC21F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.54

#AEC21F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #AEC21F

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AEC21F	#FFFFFF	#000000	##000000
##AEC21F	1.00	1.99	10.54	10.54
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.54	21.00	1.00	1.00
##000000	10.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B700

Deuteranopia (green-blind)

#CEB832

Tritanopia (blue-blind)

#B9B7A6

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #aec21f;
/* rgb */ color: rgb(174, 194, 31);
/* oklch */ color: oklch(77.3% 0.171 117.1);

Tailwind

colors: {
  custom: {
    50: '#cad46d',
    500: '#aec21f',
    950: '#000000',
  },
}

SCSS

$custom: #aec21f;
$custom-light: #cad46d;
$custom-dark: #000000;

JSON

{
  "hex": "#aec21f",
  "rgb": {
    "r": 174,
    "g": 194,
    "b": 31
  },
  "hsl": {
    "h": 67.362,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.77253,
    "c": 0.17111,
    "h": 117.1
  },
  "luminance": 0.47681
}

Semantic roles & 50–950 ramp

primary

#AEC21F

secondary

#796DCF

accent

#39EF4F

background

#FCFCF7

surface

#F9F9ED

border

#D2D2C8

text

#141408

muted

#82827B

Preview Lab

Preview with #AEC21F

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

Preview Lab → · Contrast checker → · Palette generator →