#99BB38#99BB38

#99BB38 is a light, vivid yellow-green. Relative luminance 0.426; OKLCH L 74.2% C 0.159 H 123.0°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#99BB38
RGB	rgb(153, 187, 56)
HSL	hsl(76, 54%, 48%)
HSV	hsv(76, 70%, 73%)
CMYK	cmyk(18.2%, 0%, 70.1%, 26.7%)
CIE-LAB	lab(71.28, -29.75, 59.37)
CIE-LCH	lch(71.28, 66.40, 116.62°)
OKLab	oklab(74.23% -0.0865 0.1332)
OKLCH	oklch(74.23% 0.159 123)
XYZ	xyz(31.6214, 42.5983, 10.2970)
Luminance	0.4260 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99BB38 #5A38BB

analogous

#BB9C38 #99BB38 #57BB38

triadic

#99BB38 #3899BB #BB3899

tetradic

#99BB38 #38BB9C #5A38BB #BB3857

square

#99BB38 #38BB9C #5A38BB #BB3857

split-complementary

#99BB38 #3857BB #9C38BB

monochromatic

#4C5D1C #728C2A #99BB38 #B3D061 #C9DE90

Accessibility & contrast

On white

2.21

#99BB38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#99BB38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99BB38

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99BB38	#FFFFFF	#000000	##000000
##99BB38	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6AF23

Deuteranopia (green-blind)

#C1AE43

Tritanopia (blue-blind)

#A1B2A1

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #99bb38;
/* rgb */ color: rgb(153, 187, 56);
/* oklch */ color: oklch(74.2% 0.159 123.0);

Tailwind

colors: {
  custom: {
    50: '#bacf77',
    500: '#99bb38',
    950: '#000000',
  },
}

SCSS

$custom: #99bb38;
$custom-light: #bacf77;
$custom-dark: #000000;

JSON

{
  "hex": "#99bb38",
  "rgb": {
    "r": 153,
    "g": 187,
    "b": 56
  },
  "hsl": {
    "h": 75.573,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.74227,
    "c": 0.15888,
    "h": 123
  },
  "luminance": 0.42598
}

Semantic roles & 50–950 ramp

primary

#99BB38

secondary

#9886C8

accent

#4BDD71

background

#FBFCF7

surface

#F7F9ED

border

#D0D2C8

text

#121309

muted

#81827B

Preview Lab

Preview with #99BB38

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

Preview Lab → · Contrast checker → · Palette generator →