#99D556#99D556

#99D556 is a light, vivid yellow-green. Relative luminance 0.550; OKLCH L 80.6% C 0.170 H 130.7°. Best body text is #000000 at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#99D556
RGB	rgb(153, 213, 86)
HSL	hsl(88, 60%, 59%)
HSV	hsv(88, 60%, 84%)
CMYK	cmyk(28.2%, 0%, 59.6%, 16.5%)
CIE-LAB	lab(79.06, -39.43, 55.38)
CIE-LCH	lch(79.06, 67.99, 125.45°)
OKLab	oklab(80.6% -0.1106 0.1287)
OKLCH	oklch(80.6% 0.17 130.7)
XYZ	xyz(38.6105, 55.0316, 17.3902)
Luminance	0.5503 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D556 #9256D5

analogous

#D5D156 #99D556 #59D556

triadic

#99D556 #5699D5 #D55699

tetradic

#99D556 #56D5D1 #9256D5 #D55659

square

#99D556 #56D5D1 #9256D5 #D55659

split-complementary

#99D556 #5659D5 #D156D5

monochromatic

#5B8D23 #7BBE2F #99D556 #B7E187 #D4EDB8

Accessibility & contrast

On white

1.75

#99D556 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.01

#99D556 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D556

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D556	#FFFFFF	#000000	##000000
##99D556	1.00	1.75	12.01	12.01
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.01	21.00	1.00	1.00
##000000	12.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC748

Deuteranopia (green-blind)

#D5C25F

Tritanopia (blue-blind)

#9CCDBA

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #99d556;
/* rgb */ color: rgb(153, 213, 86);
/* oklch */ color: oklch(80.6% 0.170 130.7);

Tailwind

colors: {
  custom: {
    50: '#bae28a',
    500: '#99d556',
    950: '#000000',
  },
}

SCSS

$custom: #99d556;
$custom-light: #bae28a;
$custom-dark: #000000;

JSON

{
  "hex": "#99d556",
  "rgb": {
    "r": 153,
    "g": 213,
    "b": 86
  },
  "hsl": {
    "h": 88.346,
    "s": 60.19,
    "l": 58.627
  },
  "oklch": {
    "l": 0.80603,
    "c": 0.16973,
    "h": 130.7
  },
  "luminance": 0.55033
}

Semantic roles & 50–950 ramp

primary

#99D556

secondary

#653C93

accent

#44E390

background

#FDFEFC

surface

#F8FCF4

border

#D1D5CE

text

#12150C

muted

#82847F

Preview Lab

Preview with #99D556

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

Preview Lab → · Contrast checker → · Palette generator →