#99BC28#99BC28

#99BC28 is a light, vivid yellow-green. Relative luminance 0.429; OKLCH L 74.4% C 0.169 H 122.7°. Best body text is #000000 at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#99BC28
RGB	rgb(153, 188, 40)
HSL	hsl(74, 65%, 45%)
HSV	hsv(74, 79%, 74%)
CMYK	cmyk(18.6%, 0%, 78.7%, 26.3%)
CIE-LAB	lab(71.48, -31.05, 64.93)
CIE-LCH	lch(71.48, 71.97, 115.56°)
OKLab	oklab(74.36% -0.0914 0.1424)
OKLCH	oklch(74.36% 0.169 122.7)
XYZ	xyz(31.5036, 42.8918, 8.6263)
Luminance	0.4289 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99BC28 #4B28BC

analogous

#BC9528 #99BC28 #4FBC28

triadic

#99BC28 #2899BC #BC2899

tetradic

#99BC28 #28BC95 #4B28BC #BC284F

square

#99BC28 #28BC95 #4B28BC #BC284F

split-complementary

#99BC28 #284FBC #9528BC

monochromatic

#475713 #708A1D #99BC28 #B6D849 #CBE37B

Accessibility & contrast

On white

2.19

#99BC28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.58

#99BC28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99BC28

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99BC28	#FFFFFF	#000000	##000000
##99BC28	1.00	2.19	9.58	9.58
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.58	21.00	1.00	1.00
##000000	9.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B000

Deuteranopia (green-blind)

#C3AF37

Tritanopia (blue-blind)

#A1B2A1

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #99bc28;
/* rgb */ color: rgb(153, 188, 40);
/* oklch */ color: oklch(74.4% 0.169 122.7);

Tailwind

colors: {
  custom: {
    50: '#bbd06f',
    500: '#99bc28',
    950: '#000000',
  },
}

SCSS

$custom: #99bc28;
$custom-light: #bbd06f;
$custom-dark: #000000;

JSON

{
  "hex": "#99bc28",
  "rgb": {
    "r": 153,
    "g": 188,
    "b": 40
  },
  "hsl": {
    "h": 74.189,
    "s": 64.912,
    "l": 44.706
  },
  "oklch": {
    "l": 0.7436,
    "c": 0.16918,
    "h": 122.7
  },
  "luminance": 0.42892
}

Semantic roles & 50–950 ramp

primary

#99BC28

secondary

#8975CB

accent

#40E868

background

#FBFCF7

surface

#F7F9ED

border

#D0D2C8

text

#121408

muted

#81827B

Preview Lab

Preview with #99BC28

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

Preview Lab → · Contrast checker → · Palette generator →