#99BB39#99BB39

#99BB39 is a light, vivid yellow-green. Relative luminance 0.426; OKLCH L 74.2% C 0.158 H 123.1°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#99BB39
RGB	rgb(153, 187, 57)
HSL	hsl(76, 53%, 48%)
HSV	hsv(76, 70%, 73%)
CMYK	cmyk(18.2%, 0%, 69.5%, 26.7%)
CIE-LAB	lab(71.29, -29.69, 58.99)
CIE-LCH	lch(71.29, 66.05, 116.72°)
OKLab	oklab(74.24% -0.0863 0.1326)
OKLCH	oklch(74.24% 0.158 123.1)
XYZ	xyz(31.6461, 42.6082, 10.4271)
Luminance	0.4261 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99BB39 #5B39BB

analogous

#BB9C39 #99BB39 #58BB39

triadic

#99BB39 #3999BB #BB3999

tetradic

#99BB39 #39BB9C #5B39BB #BB3958

square

#99BB39 #39BB9C #5B39BB #BB3958

split-complementary

#99BB39 #3958BB #9C39BB

monochromatic

#4C5D1C #738C2B #99BB39 #B3CF62 #C9DD91

Accessibility & contrast

On white

2.21

#99BB39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#99BB39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99BB39

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99BB39	#FFFFFF	#000000	##000000
##99BB39	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)

#C6AF24

Deuteranopia (green-blind)

#C1AE44

Tritanopia (blue-blind)

#A1B2A1

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #99bb39;
/* rgb */ color: rgb(153, 187, 57);
/* oklch */ color: oklch(74.2% 0.158 123.1);

Tailwind

colors: {
  custom: {
    50: '#bacf77',
    500: '#99bb39',
    950: '#000000',
  },
}

SCSS

$custom: #99bb39;
$custom-light: #bacf77;
$custom-dark: #000000;

JSON

{
  "hex": "#99bb39",
  "rgb": {
    "r": 153,
    "g": 187,
    "b": 57
  },
  "hsl": {
    "h": 75.692,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.74235,
    "c": 0.15822,
    "h": 123.1
  },
  "luminance": 0.42608
}

Semantic roles & 50–950 ramp

primary

#99BB39

secondary

#9887C8

accent

#4BDD71

background

#FBFCF7

surface

#F7F9EE

border

#D0D2C9

text

#121309

muted

#81827B

Preview Lab

Preview with #99BB39

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

Preview Lab → · Contrast checker → · Palette generator →