#99AC23#99AC23

#99AC23 is a light, vivid yellow. Relative luminance 0.364; OKLCH L 70.6% C 0.153 H 117.7°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#99AC23
RGB	rgb(153, 172, 35)
HSL	hsl(68, 66%, 41%)
HSV	hsv(68, 80%, 67%)
CMYK	cmyk(11%, 0%, 79.7%, 32.5%)
CIE-LAB	lab(66.82, -23.54, 62.19)
CIE-LCH	lch(66.82, 66.49, 110.74°)
OKLab	oklab(70.6% -0.0712 0.1357)
OKLCH	oklch(70.6% 0.153 117.7)
XYZ	xyz(28.1935, 36.3990, 7.1303)
Luminance	0.3640 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99AC23 #3623AC

analogous

#AC7A23 #99AC23 #54AC23

triadic

#99AC23 #2399AC #AC2399

tetradic

#99AC23 #23AC7A #3623AC #AC2354

square

#99AC23 #23AC7A #3623AC #AC2354

split-complementary

#99AC23 #2354AC #7A23AC

monochromatic

#3F460E #6C7919 #99AC23 #C0D636 #D0E069

Accessibility & contrast

On white

2.54

#99AC23 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.28

#99AC23 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99AC23

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99AC23	#FFFFFF	#000000	##000000
##99AC23	1.00	2.54	8.28	8.28
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.28	21.00	1.00	1.00
##000000	8.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#B6A331

Tritanopia (blue-blind)

#A3A293

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #99ac23;
/* rgb */ color: rgb(153, 172, 35);
/* oklch */ color: oklch(70.6% 0.153 117.7);

Tailwind

colors: {
  custom: {
    50: '#bbc46b',
    500: '#99ac23',
    950: '#000000',
  },
}

SCSS

$custom: #99ac23;
$custom-light: #bbc46b;
$custom-dark: #000000;

JSON

{
  "hex": "#99ac23",
  "rgb": {
    "r": 153,
    "g": 172,
    "b": 35
  },
  "hsl": {
    "h": 68.321,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.70596,
    "c": 0.15323,
    "h": 117.7
  },
  "luminance": 0.36399
}

Semantic roles & 50–950 ramp

primary

#99AC23

secondary

#7264C6

accent

#3FE956

background

#FBFCF6

surface

#F7F8EC

border

#D0D1C7

text

#121207

muted

#81817A

Preview Lab

Preview with #99AC23

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

Preview Lab → · Contrast checker → · Palette generator →