#99D548#99D548

#99D548 is a light, vivid yellow-green. Relative luminance 0.548; OKLCH L 80.5% C 0.180 H 129.5°. Best body text is #000000 at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#99D548
RGB	rgb(153, 213, 72)
HSL	hsl(86, 63%, 56%)
HSV	hsv(86, 66%, 84%)
CMYK	cmyk(28.2%, 0%, 66.2%, 16.5%)
CIE-LAB	lab(78.94, -40.57, 61.08)
CIE-LCH	lch(78.94, 73.32, 123.59°)
OKLab	oklab(80.47% -0.1149 0.1391)
OKLCH	oklch(80.47% 0.18 129.5)
XYZ	xyz(38.1006, 54.8277, 14.7050)
Luminance	0.5483 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D548 #8448D5

analogous

#D5CB48 #99D548 #52D548

triadic

#99D548 #4899D5 #D54899

tetradic

#99D548 #48D5CB #8448D5 #D54852

square

#99D548 #48D5CB #8448D5 #D54852

split-complementary

#99D548 #4852D5 #CB48D5

monochromatic

#59841E #7AB62A #99D548 #B5E07A #D0ECAC

Accessibility & contrast

On white

1.76

#99D548 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.97

#99D548 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D548

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D548	#FFFFFF	#000000	##000000
##99D548	1.00	1.76	11.97	11.97
#FFFFFF	1.76	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)

#DFC634

Deuteranopia (green-blind)

#D6C254

Tritanopia (blue-blind)

#9DCCB8

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #99d548;
/* rgb */ color: rgb(153, 213, 72);
/* oklch */ color: oklch(80.5% 0.180 129.5);

Tailwind

colors: {
  custom: {
    50: '#bbe282',
    500: '#99d548',
    950: '#000000',
  },
}

SCSS

$custom: #99d548;
$custom-light: #bbe282;
$custom-dark: #000000;

JSON

{
  "hex": "#99d548",
  "rgb": {
    "r": 153,
    "g": 213,
    "b": 72
  },
  "hsl": {
    "h": 85.532,
    "s": 62.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.80469,
    "c": 0.18043,
    "h": 129.5
  },
  "luminance": 0.54829
}

Semantic roles & 50–950 ramp

primary

#99D548

secondary

#5A368B

accent

#42E688

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150B

muted

#82847E

Preview Lab

Preview with #99D548

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

Preview Lab → · Contrast checker → · Palette generator →