#99E64C#99E64C

#99E64C is a very light, vivid yellow-green. Relative luminance 0.639; OKLCH L 84.5% C 0.199 H 132.2°. Best body text is #000000 at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#99E64C
RGB	rgb(153, 230, 76)
HSL	hsl(90, 75%, 60%)
HSV	hsv(90, 67%, 90%)
CMYK	cmyk(33.5%, 0%, 67%, 9.8%)
CIE-LAB	lab(83.91, -47.58, 64.74)
CIE-LCH	lch(83.91, 80.34, 126.31°)
OKLab	oklab(84.52% -0.1337 0.1473)
OKLCH	oklch(84.52% 0.199 132.2)
XYZ	xyz(42.7376, 63.8861, 16.9155)
Luminance	0.6389 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99E64C #994CE6

analogous

#E6E64C #99E64C #4CE64C

triadic

#99E64C #4C99E6 #E64C99

tetradic

#99E64C #4CE6E6 #994CE6 #E64C4C

square

#99E64C #4CE6E6 #994CE6 #E64C4C

split-complementary

#99E64C #4C4CE6 #E64CE6

monochromatic

#5CA117 #7AD71E #99E64C #B8ED82 #D6F5B7

Accessibility & contrast

On white

1.52

#99E64C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.78

#99E64C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99E64C

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99E64C	#FFFFFF	#000000	##000000
##99E64C	1.00	1.52	13.78	13.78
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.78	21.00	1.00	1.00
##000000	13.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD536

Deuteranopia (green-blind)

#E5CF59

Tritanopia (blue-blind)

#9BDDC7

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #99e64c;
/* rgb */ color: rgb(153, 230, 76);
/* oklch */ color: oklch(84.5% 0.199 132.2);

Tailwind

colors: {
  custom: {
    50: '#bcee86',
    500: '#99e64c',
    950: '#000000',
  },
}

SCSS

$custom: #99e64c;
$custom-light: #bcee86;
$custom-dark: #000000;

JSON

{
  "hex": "#99e64c",
  "rgb": {
    "r": 153,
    "g": 230,
    "b": 76
  },
  "hsl": {
    "h": 90,
    "s": 75.49,
    "l": 60
  },
  "oklch": {
    "l": 0.84519,
    "c": 0.19897,
    "h": 132.2
  },
  "luminance": 0.63888
}

Semantic roles & 50–950 ramp

primary

#99E64C

secondary

#6B33A4

accent

#36F294

background

#FDFFFC

surface

#F9FEF3

border

#D2D6CD

text

#12160C

muted

#82857F

Preview Lab

Preview with #99E64C

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

Preview Lab → · Contrast checker → · Palette generator →