#99BD28#99BD28

#99BD28 is a light, vivid yellow-green. Relative luminance 0.433; OKLCH L 74.6% C 0.170 H 123.0°. Best body text is #000000 at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#99BD28
RGB	rgb(153, 189, 40)
HSL	hsl(74, 65%, 45%)
HSV	hsv(74, 79%, 74%)
CMYK	cmyk(19%, 0%, 78.8%, 25.9%)
CIE-LAB	lab(71.77, -31.52, 65.20)
CIE-LCH	lch(71.77, 72.41, 115.80°)
OKLab	oklab(74.6% -0.0927 0.1429)
OKLCH	oklch(74.6% 0.17 123)
XYZ	xyz(31.7179, 43.3205, 8.6978)
Luminance	0.4332 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99BD28 #4C28BD

analogous

#BD9728 #99BD28 #4EBD28

triadic

#99BD28 #2899BD #BD2899

tetradic

#99BD28 #28BD97 #4C28BD #BD284E

square

#99BD28 #28BD97 #4C28BD #BD284E

split-complementary

#99BD28 #284EBD #9728BD

monochromatic

#475813 #708A1D #99BD28 #B6D94A #CAE37C

Accessibility & contrast

On white

2.17

#99BD28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.66

#99BD28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99BD28

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99BD28	#FFFFFF	#000000	##000000
##99BD28	1.00	2.17	9.66	9.66
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.66	21.00	1.00	1.00
##000000	9.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B100

Deuteranopia (green-blind)

#C4B037

Tritanopia (blue-blind)

#A1B3A2

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #99bd28;
/* rgb */ color: rgb(153, 189, 40);
/* oklch */ color: oklch(74.6% 0.170 123.0);

Tailwind

colors: {
  custom: {
    50: '#bbd16f',
    500: '#99bd28',
    950: '#000000',
  },
}

SCSS

$custom: #99bd28;
$custom-light: #bbd16f;
$custom-dark: #000000;

JSON

{
  "hex": "#99bd28",
  "rgb": {
    "r": 153,
    "g": 189,
    "b": 40
  },
  "hsl": {
    "h": 74.497,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.74595,
    "c": 0.17034,
    "h": 123
  },
  "luminance": 0.43321
}

Semantic roles & 50–950 ramp

primary

#99BD28

secondary

#8A75CB

accent

#40E868

background

#FBFCF7

surface

#F7F9ED

border

#D0D2C8

text

#121408

muted

#81827B

Preview Lab

Preview with #99BD28

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

Preview Lab → · Contrast checker → · Palette generator →