#99EA66#99EA66

#99EA66 is a very light, vivid yellow-green. Relative luminance 0.666; OKLCH L 85.7% C 0.184 H 135.0°. Best body text is #000000 at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#99EA66
RGB	rgb(153, 234, 102)
HSL	hsl(97, 76%, 66%)
HSV	hsv(97, 56%, 92%)
CMYK	cmyk(34.6%, 0%, 56.4%, 8.2%)
CIE-LAB	lab(85.29, -47.02, 55.44)
CIE-LCH	lch(85.29, 72.69, 130.30°)
OKLab	oklab(85.72% -0.1303 0.1304)
OKLCH	oklch(85.72% 0.184 135)
XYZ	xyz(44.9570, 66.5753, 23.0494)
Luminance	0.6658 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 2.96

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99EA66 #B766EA

analogous

#DBEA66 #99EA66 #66EA75

triadic

#99EA66 #6699EA #EA6699

tetradic

#99EA66 #66DBEA #B766EA #EA7566

square

#99EA66 #66DBEA #B766EA #EA7566

split-complementary

#99EA66 #7566EA #EA66DB

monochromatic

#58BC1A #75E330 #99EA66 #BDF19C #E1F9D2

Accessibility & contrast

On white

1.47

#99EA66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.32

#99EA66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EA66

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99EA66	#FFFFFF	#000000	##000000
##99EA66	1.00	1.47	14.32	14.32
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.32	21.00	1.00	1.00
##000000	14.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D959

Deuteranopia (green-blind)

#E6D36F

Tritanopia (blue-blind)

#98E2CD

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #99ea66;
/* rgb */ color: rgb(153, 234, 102);
/* oklch */ color: oklch(85.7% 0.184 135.0);

Tailwind

colors: {
  custom: {
    50: '#bbf195',
    500: '#99ea66',
    950: '#000000',
  },
}

SCSS

$custom: #99ea66;
$custom-light: #bbf195;
$custom-dark: #000000;

JSON

{
  "hex": "#99ea66",
  "rgb": {
    "r": 153,
    "g": 234,
    "b": 102
  },
  "hsl": {
    "h": 96.818,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.85717,
    "c": 0.18432,
    "h": 135
  },
  "luminance": 0.66577
}

Semantic roles & 50–950 ramp

primary

#99EA66

secondary

#8939BB

accent

#0DD88A

background

#FDFFFC

surface

#F9FEF5

border

#D2D6CF

text

#12170E

muted

#82857F

Preview Lab

Preview with #99EA66

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

Preview Lab → · Contrast checker → · Palette generator →