#99D550#99D550

#99D550 is a light, vivid yellow-green. Relative luminance 0.549; OKLCH L 80.5% C 0.175 H 130.1°. Best body text is #000000 at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#99D550
RGB	rgb(153, 213, 80)
HSL	hsl(87, 61%, 57%)
HSV	hsv(87, 62%, 84%)
CMYK	cmyk(28.2%, 0%, 62.4%, 16.5%)
CIE-LAB	lab(79.01, -39.95, 57.89)
CIE-LCH	lch(79.01, 70.34, 124.61°)
OKLab	oklab(80.54% -0.1125 0.1334)
OKLCH	oklch(80.54% 0.175 130.1)
XYZ	xyz(38.3788, 54.9389, 16.1701)
Luminance	0.5494 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D550 #8C50D5

analogous

#D5CF50 #99D550 #56D550

triadic

#99D550 #5099D5 #D55099

tetradic

#99D550 #50D5CF #8C50D5 #D55056

square

#99D550 #50D5CF #8C50D5 #D55056

split-complementary

#99D550 #5056D5 #CF50D5

monochromatic

#5A8A21 #7BBB2D #99D550 #B6E181 #D3EDB3

Accessibility & contrast

On white

1.75

#99D550 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.99

#99D550 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D550

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D550	#FFFFFF	#000000	##000000
##99D550	1.00	1.75	11.99	11.99
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.99	21.00	1.00	1.00
##000000	11.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC640

Deuteranopia (green-blind)

#D6C25A

Tritanopia (blue-blind)

#9CCCB9

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #99d550;
/* rgb */ color: rgb(153, 213, 80);
/* oklch */ color: oklch(80.5% 0.175 130.1);

Tailwind

colors: {
  custom: {
    50: '#bbe286',
    500: '#99d550',
    950: '#000000',
  },
}

SCSS

$custom: #99d550;
$custom-light: #bbe286;
$custom-dark: #000000;

JSON

{
  "hex": "#99d550",
  "rgb": {
    "r": 153,
    "g": 213,
    "b": 80
  },
  "hsl": {
    "h": 87.068,
    "s": 61.29,
    "l": 57.451
  },
  "oklch": {
    "l": 0.80542,
    "c": 0.17451,
    "h": 130.1
  },
  "luminance": 0.5494
}

Semantic roles & 50–950 ramp

primary

#99D550

secondary

#603990

accent

#43E48C

background

#FDFEFC

surface

#F9FCF3

border

#D2D5CD

text

#12150C

muted

#82847F

Preview Lab

Preview with #99D550

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

Preview Lab → · Contrast checker → · Palette generator →