#99C556#99C556

#99C556 is a light, vivid yellow-green. Relative luminance 0.474; OKLCH L 76.9% C 0.148 H 127.6°. Best body text is #000000 at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#99C556
RGB	rgb(153, 197, 86)
HSL	hsl(84, 49%, 55%)
HSV	hsv(84, 56%, 77%)
CMYK	cmyk(22.3%, 0%, 56.3%, 22.7%)
CIE-LAB	lab(74.43, -32.14, 50.12)
CIE-LCH	lch(74.43, 59.54, 122.67°)
OKLab	oklab(76.85% -0.0905 0.1175)
OKLCH	oklch(76.85% 0.148 127.6)
XYZ	xyz(34.7827, 47.3761, 16.1143)
Luminance	0.4738 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C556 #8256C5

analogous

#C5BA56 #99C556 #61C556

triadic

#99C556 #5699C5 #C55699

tetradic

#99C556 #56C5BA #8256C5 #C55661

square

#99C556 #56C5BA #8256C5 #C55661

split-complementary

#99C556 #5661C5 #BA56C5

monochromatic

#587829 #7AA539 #99C556 #B4D584 #D0E4B1

Accessibility & contrast

On white

2.00

#99C556 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.48

#99C556 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C556

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C556	#FFFFFF	#000000	##000000
##99C556	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)

#CEB94B

Deuteranopia (green-blind)

#C8B65D

Tritanopia (blue-blind)

#9EBDAD

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #99c556;
/* rgb */ color: rgb(153, 197, 86);
/* oklch */ color: oklch(76.9% 0.148 127.6);

Tailwind

colors: {
  custom: {
    50: '#b9d689',
    500: '#99c556',
    950: '#000000',
  },
}

SCSS

$custom: #99c556;
$custom-light: #b9d689;
$custom-dark: #000000;

JSON

{
  "hex": "#99c556",
  "rgb": {
    "r": 153,
    "g": 197,
    "b": 86
  },
  "hsl": {
    "h": 83.784,
    "s": 48.899,
    "l": 55.49
  },
  "oklch": {
    "l": 0.76853,
    "c": 0.14826,
    "h": 127.6
  },
  "luminance": 0.47377
}

Semantic roles & 50–950 ramp

primary

#99C556

secondary

#B7A4D3

accent

#4FD886

background

#FBFDF8

surface

#F6FAF0

border

#D0D3CB

text

#12140C

muted

#81837D

Preview Lab

Preview with #99C556

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

Preview Lab → · Contrast checker → · Palette generator →