#ACBB21#ACBB21

#ACBB21 is a light, vivid yellow. Relative luminance 0.444; OKLCH L 75.5% C 0.164 H 115.6°. Best body text is #000000 at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#ACBB21
RGB	rgb(172, 187, 33)
HSL	hsl(66, 70%, 43%)
HSV	hsv(66, 82%, 73%)
CMYK	cmyk(8%, 0%, 82.4%, 26.7%)
CIE-LAB	lab(72.51, -22.92, 68.26)
CIE-LCH	lch(72.51, 72.01, 108.56°)
OKLab	oklab(75.52% -0.0706 0.1476)
OKLCH	oklch(75.52% 0.164 115.6)
XYZ	xyz(35.0591, 44.4217, 8.1659)
Luminance	0.4442 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACBB21 #3021BB

analogous

#BB7D21 #ACBB21 #5FBB21

triadic

#ACBB21 #21ACBB #BB21AC

tetradic

#ACBB21 #21BB7D #3021BB #BB215F

square

#ACBB21 #21BB7D #3021BB #BB215F

split-complementary

#ACBB21 #215FBB #7D21BB

monochromatic

#4C530F #7C8718 #ACBB21 #CDDD3D #DAE671

Accessibility & contrast

On white

2.12

#ACBB21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.88

#ACBB21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACBB21

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACBB21	#FFFFFF	#000000	##000000
##ACBB21	1.00	2.12	9.88	9.88
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.88	21.00	1.00	1.00
##000000	9.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B100

Deuteranopia (green-blind)

#C8B331

Tritanopia (blue-blind)

#B8B0A0

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #acbb21;
/* rgb */ color: rgb(172, 187, 33);
/* oklch */ color: oklch(75.5% 0.164 115.6);

Tailwind

colors: {
  custom: {
    50: '#c9cf6d',
    500: '#acbb21',
    950: '#000000',
  },
}

SCSS

$custom: #acbb21;
$custom-light: #c9cf6d;
$custom-dark: #000000;

JSON

{
  "hex": "#acbb21",
  "rgb": {
    "r": 172,
    "g": 187,
    "b": 33
  },
  "hsl": {
    "h": 65.844,
    "s": 70,
    "l": 43.137
  },
  "oklch": {
    "l": 0.75519,
    "c": 0.16365,
    "h": 115.6
  },
  "luminance": 0.44421
}

Semantic roles & 50–950 ramp

primary

#ACBB21

secondary

#756BCC

accent

#3BED4C

background

#FCFCF7

surface

#F9F9ED

border

#D2D2C8

text

#141308

muted

#82827B

Preview Lab

Preview with #ACBB21

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

Preview Lab → · Contrast checker → · Palette generator →