#AAC21F#AAC21F

#AAC21F is a light, vivid yellow. Relative luminance 0.472; OKLCH L 76.9% C 0.173 H 118.5°. Best body text is #000000 at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#AAC21F
RGB	rgb(170, 194, 31)
HSL	hsl(69, 72%, 44%)
HSV	hsv(69, 84%, 76%)
CMYK	cmyk(12.4%, 0%, 84%, 23.9%)
CIE-LAB	lab(74.34, -27.22, 70.24)
CIE-LCH	lch(74.34, 75.33, 111.18°)
OKLab	oklab(76.95% -0.0824 0.1517)
OKLCH	oklch(76.95% 0.173 118.5)
XYZ	xyz(36.1176, 47.2289, 8.5095)
Luminance	0.4723 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AAC21F #371FC2

analogous

#C2881F #AAC21F #59C21F

triadic

#AAC21F #1FAAC2 #C21FAA

tetradic

#AAC21F #1FC288 #371FC2 #C21F59

square

#AAC21F #1FC288 #371FC2 #C21F59

split-complementary

#AAC21F #1F59C2 #881FC2

monochromatic

#4E580E #7C8D17 #AAC21F #C8E03E #D7E973

Accessibility & contrast

On white

2.01

#AAC21F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.45

#AAC21F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #AAC21F

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AAC21F	#FFFFFF	#000000	##000000
##AAC21F	1.00	2.01	10.45	10.45
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.45	21.00	1.00	1.00
##000000	10.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB700

Deuteranopia (green-blind)

#CDB732

Tritanopia (blue-blind)

#B5B7A6

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #aac21f;
/* rgb */ color: rgb(170, 194, 31);
/* oklch */ color: oklch(76.9% 0.173 118.5);

Tailwind

colors: {
  custom: {
    50: '#c7d46d',
    500: '#aac21f',
    950: '#000000',
  },
}

SCSS

$custom: #aac21f;
$custom-light: #c7d46d;
$custom-dark: #000000;

JSON

{
  "hex": "#aac21f",
  "rgb": {
    "r": 170,
    "g": 194,
    "b": 31
  },
  "hsl": {
    "h": 68.834,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.76949,
    "c": 0.17261,
    "h": 118.5
  },
  "luminance": 0.47229
}

Semantic roles & 50–950 ramp

primary

#AAC21F

secondary

#7C6DCF

accent

#39EF54

background

#FCFCF7

surface

#F9F9ED

border

#D2D2C8

text

#141408

muted

#82827B

Preview Lab

Preview with #AAC21F

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

Preview Lab → · Contrast checker → · Palette generator →