#99BB33#99BB33

#99BB33 is a light, vivid yellow-green. Relative luminance 0.426; OKLCH L 74.2% C 0.162 H 122.8°. Best body text is #000000 at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#99BB33
RGB	rgb(153, 187, 51)
HSL	hsl(75, 57%, 47%)
HSV	hsv(75, 73%, 73%)
CMYK	cmyk(18.2%, 0%, 72.7%, 26.7%)
CIE-LAB	lab(71.25, -30.04, 61.15)
CIE-LCH	lch(71.25, 68.13, 116.16°)
OKLab	oklab(74.19% -0.0878 0.1362)
OKLCH	oklch(74.19% 0.162 122.8)
XYZ	xyz(31.5051, 42.5518, 9.6849)
Luminance	0.4255 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99BB33 #5533BB

analogous

#BB9933 #99BB33 #55BB33

triadic

#99BB33 #3399BB #BB3399

tetradic

#99BB33 #33BB99 #5533BB #BB3355

square

#99BB33 #33BB99 #5533BB #BB3355

split-complementary

#99BB33 #3355BB #9933BB

monochromatic

#4A5B19 #728B26 #99BB33 #B4D259 #CADF89

Accessibility & contrast

On white

2.21

#99BB33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.51

#99BB33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99BB33

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99BB33	#FFFFFF	#000000	##000000
##99BB33	1.00	2.21	9.51	9.51
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.51	21.00	1.00	1.00
##000000	9.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6AF19

Deuteranopia (green-blind)

#C2AE3F

Tritanopia (blue-blind)

#A1B2A1

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #99bb33;
/* rgb */ color: rgb(153, 187, 51);
/* oklch */ color: oklch(74.2% 0.162 122.8);

Tailwind

colors: {
  custom: {
    50: '#bbcf74',
    500: '#99bb33',
    950: '#000000',
  },
}

SCSS

$custom: #99bb33;
$custom-light: #bbcf74;
$custom-dark: #000000;

JSON

{
  "hex": "#99bb33",
  "rgb": {
    "r": 153,
    "g": 187,
    "b": 51
  },
  "hsl": {
    "h": 75,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.74192,
    "c": 0.16204,
    "h": 122.8
  },
  "luminance": 0.42552
}

Semantic roles & 50–950 ramp

primary

#99BB33

secondary

#9381C9

accent

#47E06E

background

#FBFCF7

surface

#F7F9ED

border

#D0D2C8

text

#121309

muted

#81827B

Preview Lab

Preview with #99BB33

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

Preview Lab → · Contrast checker → · Palette generator →