#99BB37#99BB37

#99BB37 is a light, vivid yellow-green. Relative luminance 0.426; OKLCH L 74.2% C 0.160 H 123.0°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#99BB37
RGB	rgb(153, 187, 55)
HSL	hsl(75, 55%, 47%)
HSV	hsv(75, 71%, 73%)
CMYK	cmyk(18.2%, 0%, 70.6%, 26.7%)
CIE-LAB	lab(71.27, -29.81, 59.73)
CIE-LCH	lch(71.27, 66.76, 116.53°)
OKLab	oklab(74.22% -0.0868 0.1339)
OKLCH	oklch(74.22% 0.16 123)
XYZ	xyz(31.5972, 42.5886, 10.1695)
Luminance	0.4259 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99BB37 #5937BB

analogous

#BB9B37 #99BB37 #57BB37

triadic

#99BB37 #3799BB #BB3799

tetradic

#99BB37 #37BB9B #5937BB #BB3757

square

#99BB37 #37BB9B #5937BB #BB3757

split-complementary

#99BB37 #3757BB #9B37BB

monochromatic

#4C5C1B #728C29 #99BB37 #B3D05F #C9DE8E

Accessibility & contrast

On white

2.21

#99BB37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#99BB37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99BB37

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99BB37	#FFFFFF	#000000	##000000
##99BB37	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)

#C6AF21

Deuteranopia (green-blind)

#C1AE42

Tritanopia (blue-blind)

#A1B2A1

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #99bb37;
/* rgb */ color: rgb(153, 187, 55);
/* oklch */ color: oklch(74.2% 0.160 123.0);

Tailwind

colors: {
  custom: {
    50: '#bacf76',
    500: '#99bb37',
    950: '#000000',
  },
}

SCSS

$custom: #99bb37;
$custom-light: #bacf76;
$custom-dark: #000000;

JSON

{
  "hex": "#99bb37",
  "rgb": {
    "r": 153,
    "g": 187,
    "b": 55
  },
  "hsl": {
    "h": 75.455,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.7422,
    "c": 0.15954,
    "h": 123
  },
  "luminance": 0.42589
}

Semantic roles & 50–950 ramp

primary

#99BB37

secondary

#9785C9

accent

#4ADE70

background

#FBFCF7

surface

#F7F9ED

border

#D0D2C8

text

#121309

muted

#81827B

Preview Lab

Preview with #99BB37

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

Preview Lab → · Contrast checker → · Palette generator →