#99C333#99C333

#99C333 is a light, vivid yellow-green. Relative luminance 0.460; OKLCH L 76.1% C 0.172 H 124.8°. Best body text is #000000 at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#99C333
RGB	rgb(153, 195, 51)
HSL	hsl(78, 59%, 48%)
HSV	hsv(78, 74%, 76%)
CMYK	cmyk(21.5%, 0%, 73.8%, 23.5%)
CIE-LAB	lab(73.57, -33.78, 63.41)
CIE-LCH	lch(73.57, 71.84, 118.05°)
OKLab	oklab(76.07% -0.098 0.1409)
OKLCH	oklch(76.07% 0.172 124.8)
XYZ	xyz(33.2498, 46.0412, 10.2664)
Luminance	0.4604 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C333 #5D33C3

analogous

#C3A533 #99C333 #51C333

triadic

#99C333 #3399C3 #C33399

tetradic

#99C333 #33C3A5 #5D33C3 #C33351

square

#99C333 #33C3A5 #5D33C3 #C33351

split-complementary

#99C333 #3351C3 #A533C3

monochromatic

#4D621A #739226 #99C333 #B2D55E #C9E28F

Accessibility & contrast

On white

2.06

#99C333 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.21

#99C333 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C333

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C333	#FFFFFF	#000000	##000000
##99C333	1.00	2.06	10.21	10.21
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.21	21.00	1.00	1.00
##000000	10.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB615

Deuteranopia (green-blind)

#C8B440

Tritanopia (blue-blind)

#A0B9A7

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #99c333;
/* rgb */ color: rgb(153, 195, 51);
/* oklch */ color: oklch(76.1% 0.172 124.8);

Tailwind

colors: {
  custom: {
    50: '#bbd575',
    500: '#99c333',
    950: '#000000',
  },
}

SCSS

$custom: #99c333;
$custom-light: #bbd575;
$custom-dark: #000000;

JSON

{
  "hex": "#99c333",
  "rgb": {
    "r": 153,
    "g": 195,
    "b": 51
  },
  "hsl": {
    "h": 77.5,
    "s": 58.537,
    "l": 48.235
  },
  "oklch": {
    "l": 0.7607,
    "c": 0.17167,
    "h": 124.8
  },
  "luminance": 0.46042
}

Semantic roles & 50–950 ramp

primary

#99C333

secondary

#9A86CC

accent

#46E273

background

#FBFDF7

surface

#F7FAED

border

#D0D3C8

text

#121409

muted

#81837B

Preview Lab

Preview with #99C333

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

Preview Lab → · Contrast checker → · Palette generator →