#99EB66#99EB66

#99EB66 is a very light, vivid yellow-green. Relative luminance 0.671; OKLCH L 86.0% C 0.186 H 135.1°. Best body text is #000000 at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#99EB66
RGB	rgb(153, 235, 102)
HSL	hsl(97, 77%, 66%)
HSV	hsv(97, 57%, 92%)
CMYK	cmyk(34.9%, 0%, 56.6%, 7.8%)
CIE-LAB	lab(85.58, -47.44, 55.77)
CIE-LCH	lch(85.58, 73.22, 130.38°)
OKLab	oklab(85.95% -0.1314 0.1311)
OKLCH	oklch(85.95% 0.186 135.1)
XYZ	xyz(45.2425, 67.1463, 23.1445)
Luminance	0.6715 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 2.73

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99EB66 #B866EB

analogous

#DCEB66 #99EB66 #66EB75

triadic

#99EB66 #6699EB #EB6699

tetradic

#99EB66 #66DCEB #B866EB #EB7566

square

#99EB66 #66DCEB #B866EB #EB7566

split-complementary

#99EB66 #7566EB #EB66DC

monochromatic

#58BE19 #75E430 #99EB66 #BDF29C #E1F9D2

Accessibility & contrast

On white

1.46

#99EB66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.43

#99EB66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EB66

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99EB66	#FFFFFF	#000000	##000000
##99EB66	1.00	1.46	14.43	14.43
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.43	21.00	1.00	1.00
##000000	14.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DA58

Deuteranopia (green-blind)

#E7D370

Tritanopia (blue-blind)

#98E3CE

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #99eb66;
/* rgb */ color: rgb(153, 235, 102);
/* oklch */ color: oklch(86.0% 0.186 135.1);

Tailwind

colors: {
  custom: {
    50: '#bbf295',
    500: '#99eb66',
    950: '#000000',
  },
}

SCSS

$custom: #99eb66;
$custom-light: #bbf295;
$custom-dark: #000000;

JSON

{
  "hex": "#99eb66",
  "rgb": {
    "r": 153,
    "g": 235,
    "b": 102
  },
  "hsl": {
    "h": 96.992,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.85953,
    "c": 0.18565,
    "h": 135.1
  },
  "luminance": 0.67148
}

Semantic roles & 50–950 ramp

primary

#99EB66

secondary

#8A39BD

accent

#0CD98B

background

#FDFFFC

surface

#F9FEF5

border

#D2D6CF

text

#12170E

muted

#82857F

Preview Lab

Preview with #99EB66

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

Preview Lab → · Contrast checker → · Palette generator →