#ACC21F#ACC21F

#ACC21F is a light, vivid yellow. Relative luminance 0.475; OKLCH L 77.1% C 0.172 H 117.8°. Best body text is #000000 at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#ACC21F
RGB	rgb(172, 194, 31)
HSL	hsl(68, 72%, 44%)
HSV	hsv(68, 84%, 76%)
CMYK	cmyk(11.3%, 0%, 84%, 23.9%)
CIE-LAB	lab(74.48, -26.39, 70.42)
CIE-LCH	lch(74.48, 75.20, 110.54°)
OKLab	oklab(77.1% -0.0802 0.152)
OKLCH	oklch(77.1% 0.172 117.8)
XYZ	xyz(36.5533, 47.4536, 8.5299)
Luminance	0.4745 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACC21F #351FC2

analogous

#C2871F #ACC21F #5BC21F

triadic

#ACC21F #1FACC2 #C21FAC

tetradic

#ACC21F #1FC287 #351FC2 #C21F5B

square

#ACC21F #1FC287 #351FC2 #C21F5B

split-complementary

#ACC21F #1F5BC2 #871FC2

monochromatic

#4E580E #7D8D17 #ACC21F #CAE03E #D9E973

Accessibility & contrast

On white

2.00

#ACC21F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.49

#ACC21F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACC21F

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACC21F	#FFFFFF	#000000	##000000
##ACC21F	1.00	2.00	10.49	10.49
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.49	21.00	1.00	1.00
##000000	10.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B700

Deuteranopia (green-blind)

#CDB832

Tritanopia (blue-blind)

#B7B7A6

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #acc21f;
/* rgb */ color: rgb(172, 194, 31);
/* oklch */ color: oklch(77.1% 0.172 117.8);

Tailwind

colors: {
  custom: {
    50: '#c9d46d',
    500: '#acc21f',
    950: '#000000',
  },
}

SCSS

$custom: #acc21f;
$custom-light: #c9d46d;
$custom-dark: #000000;

JSON

{
  "hex": "#acc21f",
  "rgb": {
    "r": 172,
    "g": 194,
    "b": 31
  },
  "hsl": {
    "h": 68.098,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.771,
    "c": 0.17184,
    "h": 117.8
  },
  "luminance": 0.47453
}

Semantic roles & 50–950 ramp

primary

#ACC21F

secondary

#7B6DCF

accent

#39EF51

background

#FCFCF7

surface

#F9F9ED

border

#D2D2C8

text

#141408

muted

#82827B

Preview Lab

Preview with #ACC21F

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

Preview Lab → · Contrast checker → · Palette generator →