#99D549#99D549

#99D549 is a light, vivid yellow-green. Relative luminance 0.548; OKLCH L 80.5% C 0.180 H 129.6°. Best body text is #000000 at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#99D549
RGB	rgb(153, 213, 73)
HSL	hsl(86, 63%, 56%)
HSV	hsv(86, 66%, 84%)
CMYK	cmyk(28.2%, 0%, 65.7%, 16.5%)
CIE-LAB	lab(78.95, -40.49, 60.69)
CIE-LCH	lch(78.95, 72.96, 123.71°)
OKLab	oklab(80.48% -0.1146 0.1384)
OKLCH	oklch(80.48% 0.18 129.6)
XYZ	xyz(38.1335, 54.8408, 14.8782)
Luminance	0.5484 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D549 #8549D5

analogous

#D5CB49 #99D549 #53D549

triadic

#99D549 #4999D5 #D54999

tetradic

#99D549 #49D5CB #8549D5 #D54953

square

#99D549 #49D5CB #8549D5 #D54953

split-complementary

#99D549 #4953D5 #CB49D5

monochromatic

#59851F #7AB72A #99D549 #B5E07B #D1ECAC

Accessibility & contrast

On white

1.75

#99D549 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.97

#99D549 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D549

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D549	#FFFFFF	#000000	##000000
##99D549	1.00	1.75	11.97	11.97
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.97	21.00	1.00	1.00
##000000	11.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC636

Deuteranopia (green-blind)

#D6C254

Tritanopia (blue-blind)

#9DCCB8

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #99d549;
/* rgb */ color: rgb(153, 213, 73);
/* oklch */ color: oklch(80.5% 0.180 129.6);

Tailwind

colors: {
  custom: {
    50: '#bbe282',
    500: '#99d549',
    950: '#000000',
  },
}

SCSS

$custom: #99d549;
$custom-light: #bbe282;
$custom-dark: #000000;

JSON

{
  "hex": "#99d549",
  "rgb": {
    "r": 153,
    "g": 213,
    "b": 73
  },
  "hsl": {
    "h": 85.714,
    "s": 62.5,
    "l": 56.078
  },
  "oklch": {
    "l": 0.80478,
    "c": 0.17972,
    "h": 129.6
  },
  "luminance": 0.54842
}

Semantic roles & 50–950 ramp

primary

#99D549

secondary

#5B378C

accent

#42E688

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150B

muted

#82847E

Preview Lab

Preview with #99D549

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

Preview Lab → · Contrast checker → · Palette generator →