#99AC28#99AC28

#99AC28 is a light, vivid yellow. Relative luminance 0.364; OKLCH L 70.6% C 0.151 H 117.8°. Best body text is #000000 at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#99AC28
RGB	rgb(153, 172, 40)
HSL	hsl(69, 62%, 42%)
HSV	hsv(69, 77%, 67%)
CMYK	cmyk(11%, 0%, 76.7%, 32.5%)
CIE-LAB	lab(66.85, -23.33, 60.68)
CIE-LCH	lch(66.85, 65.01, 111.03°)
OKLab	oklab(70.62% -0.0702 0.1334)
OKLCH	oklch(70.62% 0.151 117.8)
XYZ	xyz(28.2731, 36.4309, 7.5495)
Luminance	0.3643 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99AC28 #3B28AC

analogous

#AC7D28 #99AC28 #57AC28

triadic

#99AC28 #2899AC #AC2899

tetradic

#99AC28 #28AC7D #3B28AC #AC2857

square

#99AC28 #28AC7D #3B28AC #AC2857

split-complementary

#99AC28 #2857AC #7D28AC

monochromatic

#414911 #6D7A1C #99AC28 #BDD23F #CEDE71

Accessibility & contrast

On white

2.53

#99AC28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.29

#99AC28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99AC28

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99AC28	#FFFFFF	#000000	##000000
##99AC28	1.00	2.53	8.29	8.29
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.29	21.00	1.00	1.00
##000000	8.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A204

Deuteranopia (green-blind)

#B6A334

Tritanopia (blue-blind)

#A3A293

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #99ac28;
/* rgb */ color: rgb(153, 172, 40);
/* oklch */ color: oklch(70.6% 0.151 117.8);

Tailwind

colors: {
  custom: {
    50: '#bbc46d',
    500: '#99ac28',
    950: '#000000',
  },
}

SCSS

$custom: #99ac28;
$custom-light: #bbc46d;
$custom-dark: #000000;

JSON

{
  "hex": "#99ac28",
  "rgb": {
    "r": 153,
    "g": 172,
    "b": 40
  },
  "hsl": {
    "h": 68.636,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.70623,
    "c": 0.15072,
    "h": 117.8
  },
  "luminance": 0.36431
}

Semantic roles & 50–950 ramp

primary

#99AC28

secondary

#786BC5

accent

#42E55A

background

#FBFCF6

surface

#F7F8EC

border

#D0D1C7

text

#121208

muted

#81817B

Preview Lab

Preview with #99AC28

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

Preview Lab → · Contrast checker → · Palette generator →