#99BB40#99BB40

#99BB40 is a light, vivid yellow-green. Relative luminance 0.427; OKLCH L 74.3% C 0.153 H 123.4°. Best body text is #000000 at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#99BB40
RGB	rgb(153, 187, 64)
HSL	hsl(77, 49%, 49%)
HSV	hsv(77, 66%, 73%)
CMYK	cmyk(18.2%, 0%, 65.8%, 26.7%)
CIE-LAB	lab(71.34, -29.23, 56.29)
CIE-LCH	lch(71.34, 63.43, 117.44°)
OKLab	oklab(74.29% -0.0844 0.128)
OKLCH	oklch(74.29% 0.153 123.4)
XYZ	xyz(31.8329, 42.6829, 11.4111)
Luminance	0.4268 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99BB40 #6240BB

analogous

#BBA040 #99BB40 #5CBB40

triadic

#99BB40 #4099BB #BB4099

tetradic

#99BB40 #40BBA0 #6240BB #BB405C

square

#99BB40 #40BBA0 #6240BB #BB405C

split-complementary

#99BB40 #405CBB #A040BB

monochromatic

#4E6021 #748D30 #99BB40 #B2CD6C #CADC99

Accessibility & contrast

On white

2.20

#99BB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.54

#99BB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99BB40

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99BB40	#FFFFFF	#000000	##000000
##99BB40	1.00	2.20	9.54	9.54
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.54	21.00	1.00	1.00
##000000	9.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5B02F

Deuteranopia (green-blind)

#C1AE49

Tritanopia (blue-blind)

#A0B2A2

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #99bb40;
/* rgb */ color: rgb(153, 187, 64);
/* oklch */ color: oklch(74.3% 0.153 123.4);

Tailwind

colors: {
  custom: {
    50: '#bacf7b',
    500: '#99bb40',
    950: '#000000',
  },
}

SCSS

$custom: #99bb40;
$custom-light: #bacf7b;
$custom-dark: #000000;

JSON

{
  "hex": "#99bb40",
  "rgb": {
    "r": 153,
    "g": 187,
    "b": 64
  },
  "hsl": {
    "h": 76.585,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.74293,
    "c": 0.15328,
    "h": 123.4
  },
  "luminance": 0.42683
}

Semantic roles & 50–950 ramp

primary

#99BB40

secondary

#9F8FC8

accent

#4FD975

background

#FBFCF7

surface

#F7F9EE

border

#D0D2C9

text

#12130A

muted

#81827C

Preview Lab

Preview with #99BB40

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

Preview Lab → · Contrast checker → · Palette generator →