#ADC21F#ADC21F

#ADC21F is a light, vivid yellow. Relative luminance 0.476; OKLCH L 77.2% C 0.171 H 117.5°. Best body text is #000000 at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#ADC21F
RGB	rgb(173, 194, 31)
HSL	hsl(68, 72%, 44%)
HSV	hsv(68, 84%, 76%)
CMYK	cmyk(10.8%, 0%, 84%, 23.9%)
CIE-LAB	lab(74.55, -25.97, 70.51)
CIE-LCH	lch(74.55, 75.14, 110.22°)
OKLab	oklab(77.18% -0.0791 0.1521)
OKLCH	oklch(77.18% 0.171 117.5)
XYZ	xyz(36.7737, 47.5672, 8.5402)
Luminance	0.4757 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADC21F #341FC2

analogous

#C2861F #ADC21F #5CC21F

triadic

#ADC21F #1FADC2 #C21FAD

tetradic

#ADC21F #1FC286 #341FC2 #C21F5C

square

#ADC21F #1FC286 #341FC2 #C21F5C

split-complementary

#ADC21F #1F5CC2 #861FC2

monochromatic

#4F580E #7E8D17 #ADC21F #CBE03E #D9E973

Accessibility & contrast

On white

2.00

#ADC21F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.51

#ADC21F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADC21F

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADC21F	#FFFFFF	#000000	##000000
##ADC21F	1.00	2.00	10.51	10.51
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.51	21.00	1.00	1.00
##000000	10.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B700

Deuteranopia (green-blind)

#CEB832

Tritanopia (blue-blind)

#B8B7A6

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #adc21f;
/* rgb */ color: rgb(173, 194, 31);
/* oklch */ color: oklch(77.2% 0.171 117.5);

Tailwind

colors: {
  custom: {
    50: '#cad46d',
    500: '#adc21f',
    950: '#000000',
  },
}

SCSS

$custom: #adc21f;
$custom-light: #cad46d;
$custom-dark: #000000;

JSON

{
  "hex": "#adc21f",
  "rgb": {
    "r": 173,
    "g": 194,
    "b": 31
  },
  "hsl": {
    "h": 67.73,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.77176,
    "c": 0.17147,
    "h": 117.5
  },
  "luminance": 0.47567
}

Semantic roles & 50–950 ramp

primary

#ADC21F

secondary

#7A6DCF

accent

#39EF50

background

#FCFCF7

surface

#F9F9ED

border

#D2D2C8

text

#141408

muted

#82827B

Preview Lab

Preview with #ADC21F

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

Preview Lab → · Contrast checker → · Palette generator →