#99CC3B#99CC3B

#99CC3B is a light, vivid yellow-green. Relative luminance 0.503; OKLCH L 78.2% C 0.178 H 127.1°. Best body text is #000000 at 11.05:1 contrast (WCAG AA passes).

Color values

HEX#99CC3B
RGBrgb(153, 204, 59)
HSLhsl(81, 59%, 52%)
HSVhsv(81, 71%, 80%)
CMYKcmyk(25%, 0%, 71.1%, 20%)
CIE-LABlab(76.24, -37.43, 63.22)
CIE-LCHlch(76.24, 73.47, 120.62°)
OKLaboklab(78.24% -0.1073 0.1418)
OKLCHoklch(78.24% 0.178 127.1)
XYZxyz(35.5192, 50.2731, 11.9692)
Luminance0.5027 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#99CC3B #6E3BCC
analogous
#CCB63B #99CC3B #51CC3B
triadic
#99CC3B #3B99CC #CC3B99
tetradic
#99CC3B #3BCCB6 #6E3BCC #CC3B51
square
#99CC3B #3BCCB6 #6E3BCC #CC3B51
split-complementary
#99CC3B #3B51CC #B63BCC
monochromatic
#53701D #76A02A #99CC3B #B2D96C #CCE59C

Accessibility & contrast

On white

1.90
#99CC3B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.05
#99CC3B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99CC3B
11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##99CC3B#FFFFFF#000000##000000
##99CC3B1.001.9011.0511.05
#FFFFFF1.901.0021.0021.00
#00000011.0521.001.001.00
##00000011.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#D6BE22
Deuteranopia (green-blind)
#CFBB48
Tritanopia (blue-blind)
#9FC3B0
Achromatopsia (no color)
#BCBCBC

Design tokens & code

CSS
--color: #99cc3b;
/* rgb */ color: rgb(153, 204, 59);
/* oklch */ color: oklch(78.2% 0.178 127.1);
Tailwind
colors: {
  custom: {
    50: '#bbdb7a',
    500: '#99cc3b',
    950: '#000000',
  },
}
SCSS
$custom: #99cc3b;
$custom-light: #bbdb7a;
$custom-dark: #000000;
JSON
{
  "hex": "#99cc3b",
  "rgb": {
    "r": 153,
    "g": 204,
    "b": 59
  },
  "hsl": {
    "h": 81.103,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.78244,
    "c": 0.17784,
    "h": 127.1
  },
  "luminance": 0.50274
}

Semantic roles & 50–950 ramp

primary
#99CC3B
secondary
#4B3279
accent
#46E27D
background
#FDFEFB
surface
#F9FCF2
border
#D2D5CC
text
#12150A
muted
#82847D

Preview Lab

Preview with #99CC3B

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

Preview Lab → · Contrast checker → · Palette generator →

#99CC3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva