#99C558#99C558

#99C558 is a light, vivid yellow-green. Relative luminance 0.474; OKLCH L 76.9% C 0.146 H 127.8°. Best body text is #000000 at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#99C558
RGB	rgb(153, 197, 88)
HSL	hsl(84, 48%, 56%)
HSV	hsv(84, 55%, 77%)
CMYK	cmyk(22.3%, 0%, 55.3%, 22.7%)
CIE-LAB	lab(74.45, -31.95, 49.23)
CIE-LCH	lch(74.45, 58.69, 122.99°)
OKLab	oklab(76.88% -0.0898 0.1157)
OKLCH	oklch(76.88% 0.146 127.8)
XYZ	xyz(34.8644, 47.4088, 16.5446)
Luminance	0.4741 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C558 #8458C5

analogous

#C5BA58 #99C558 #62C558

triadic

#99C558 #5899C5 #C55899

tetradic

#99C558 #58C5BA #8458C5 #C55862

square

#99C558 #58C5BA #8458C5 #C55862

split-complementary

#99C558 #5862C5 #BA58C5

monochromatic

#59792A #7AA63A #99C558 #B5D585 #D0E5B3

Accessibility & contrast

On white

2.00

#99C558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.48

#99C558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C558

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C558	#FFFFFF	#000000	##000000
##99C558	1.00	2.00	10.48	10.48
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.48	21.00	1.00	1.00
##000000	10.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB94D

Deuteranopia (green-blind)

#C8B65F

Tritanopia (blue-blind)

#9EBDAD

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #99c558;
/* rgb */ color: rgb(153, 197, 88);
/* oklch */ color: oklch(76.9% 0.146 127.8);

Tailwind

colors: {
  custom: {
    50: '#b9d68a',
    500: '#99c558',
    950: '#000000',
  },
}

SCSS

$custom: #99c558;
$custom-light: #b9d68a;
$custom-dark: #000000;

JSON

{
  "hex": "#99c558",
  "rgb": {
    "r": 153,
    "g": 197,
    "b": 88
  },
  "hsl": {
    "h": 84.22,
    "s": 48.444,
    "l": 55.882
  },
  "oklch": {
    "l": 0.76876,
    "c": 0.14646,
    "h": 127.8
  },
  "luminance": 0.47409
}

Semantic roles & 50–950 ramp

primary

#99C558

secondary

#B8A6D3

accent

#50D887

background

#FBFDF8

surface

#F6FAF0

border

#D0D3CB

text

#12140C

muted

#81837D

Preview Lab

Preview with #99C558

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

Preview Lab → · Contrast checker → · Palette generator →