#99AD28#99AD28

#99AD28 is a light, vivid yellow. Relative luminance 0.368; OKLCH L 70.9% C 0.152 H 118.1°. Best body text is #000000 at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#99AD28
RGB	rgb(153, 173, 40)
HSL	hsl(69, 62%, 42%)
HSV	hsv(69, 77%, 68%)
CMYK	cmyk(11.6%, 0%, 76.9%, 32.2%)
CIE-LAB	lab(67.14, -23.83, 60.94)
CIE-LCH	lch(67.14, 65.44, 111.35°)
OKLab	oklab(70.86% -0.0716 0.1339)
OKLCH	oklch(70.86% 0.152 118.1)
XYZ	xyz(28.4641, 36.8129, 7.6132)
Luminance	0.3681 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99AD28 #3C28AD

analogous

#AD7F28 #99AD28 #56AD28

triadic

#99AD28 #2899AD #AD2899

tetradic

#99AD28 #28AD7F #3C28AD #AD2856

square

#99AD28 #28AD7F #3C28AD #AD2856

split-complementary

#99AD28 #2856AD #7F28AD

monochromatic

#414A11 #6D7B1D #99AD28 #BDD33F #CEDE71

Accessibility & contrast

On white

2.51

#99AD28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.36

#99AD28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99AD28

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99AD28	#FFFFFF	#000000	##000000
##99AD28	1.00	2.51	8.36	8.36
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.36	21.00	1.00	1.00
##000000	8.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A303

Deuteranopia (green-blind)

#B7A434

Tritanopia (blue-blind)

#A3A394

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #99ad28;
/* rgb */ color: rgb(153, 173, 40);
/* oklch */ color: oklch(70.9% 0.152 118.1);

Tailwind

colors: {
  custom: {
    50: '#bbc56d',
    500: '#99ad28',
    950: '#000000',
  },
}

SCSS

$custom: #99ad28;
$custom-light: #bbc56d;
$custom-dark: #000000;

JSON

{
  "hex": "#99ad28",
  "rgb": {
    "r": 153,
    "g": 173,
    "b": 40
  },
  "hsl": {
    "h": 69.023,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.70856,
    "c": 0.15185,
    "h": 118.1
  },
  "luminance": 0.36813
}

Semantic roles & 50–950 ramp

primary

#99AD28

secondary

#796CC5

accent

#42E65B

background

#FBFCF6

surface

#F7F8EC

border

#D0D1C7

text

#121208

muted

#81817B

Preview Lab

Preview with #99AD28

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

Preview Lab → · Contrast checker → · Palette generator →