#99E555#99E555

#99E555 is a very light, vivid yellow-green. Relative luminance 0.635; OKLCH L 84.4% C 0.191 H 132.8°. Best body text is #000000 at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#99E555
RGB	rgb(153, 229, 85)
HSL	hsl(92, 73%, 62%)
HSV	hsv(92, 63%, 90%)
CMYK	cmyk(33.2%, 0%, 62.9%, 10.2%)
CIE-LAB	lab(83.69, -46.46, 60.93)
CIE-LCH	lch(83.69, 76.62, 127.33°)
OKLab	oklab(84.36% -0.13 0.1404)
OKLCH	oklch(84.36% 0.191 132.8)
XYZ	xyz(42.7952, 63.4652, 18.5877)
Luminance	0.6347 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99E555 #A155E5

analogous

#E1E555 #99E555 #55E559

triadic

#99E555 #5599E5 #E55599

tetradic

#99E555 #55E1E5 #A155E5 #E55955

square

#99E555 #55E1E5 #A155E5 #E55955

split-complementary

#99E555 #5955E5 #E555E1

monochromatic

#5CA619 #79DB22 #99E555 #B9ED8A #D9F5BF

Accessibility & contrast

On white

1.53

#99E555 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.69

#99E555 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99E555

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99E555	#FFFFFF	#000000	##000000
##99E555	1.00	1.53	13.69	13.69
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.69	21.00	1.00	1.00
##000000	13.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED443

Deuteranopia (green-blind)

#E3CE60

Tritanopia (blue-blind)

#9ADCC7

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #99e555;
/* rgb */ color: rgb(153, 229, 85);
/* oklch */ color: oklch(84.4% 0.191 132.8);

Tailwind

colors: {
  custom: {
    50: '#bbed8b',
    500: '#99e555',
    950: '#000000',
  },
}

SCSS

$custom: #99e555;
$custom-light: #bbed8b;
$custom-dark: #000000;

JSON

{
  "hex": "#99e555",
  "rgb": {
    "r": 153,
    "g": 229,
    "b": 85
  },
  "hsl": {
    "h": 91.667,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.84362,
    "c": 0.19132,
    "h": 132.8
  },
  "luminance": 0.63467
}

Semantic roles & 50–950 ramp

primary

#99E555

secondary

#7236A8

accent

#10D678

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12160C

muted

#82857F

Preview Lab

Preview with #99E555

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

Preview Lab → · Contrast checker → · Palette generator →