#99CF66#99CF66

#99CF66 is a light, vivid yellow-green. Relative luminance 0.524; OKLCH L 79.4% C 0.147 H 131.5°. Best body text is #000000 at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#99CF66
RGB	rgb(153, 207, 102)
HSL	hsl(91, 52%, 61%)
HSV	hsv(91, 51%, 81%)
CMYK	cmyk(26.1%, 0%, 50.7%, 18.8%)
CIE-LAB	lab(77.49, -35.14, 46.23)
CIE-LCH	lch(77.49, 58.07, 127.24°)
OKLab	oklab(79.39% -0.0975 0.1104)
OKLCH	oklch(79.39% 0.147 131.5)
XYZ	xyz(37.8474, 52.3563, 20.6795)
Luminance	0.5236 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99CF66 #9C66CF

analogous

#CECF66 #99CF66 #66CF67

triadic

#99CF66 #6699CF #CF6699

tetradic

#99CF66 #66CECF #9C66CF #CF6766

square

#99CF66 #66CECF #9C66CF #CF6766

split-complementary

#99CF66 #6766CF #CF66CE

monochromatic

#5C8E2D #7ABD3B #99CF66 #B8DE95 #D7ECC3

Accessibility & contrast

On white

1.83

#99CF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.47

#99CF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99CF66

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99CF66	#FFFFFF	#000000	##000000
##99CF66	1.00	1.83	11.47	11.47
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.47	21.00	1.00	1.00
##000000	11.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C25D

Deuteranopia (green-blind)

#CFBE6D

Tritanopia (blue-blind)

#9BC8B7

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #99cf66;
/* rgb */ color: rgb(153, 207, 102);
/* oklch */ color: oklch(79.4% 0.147 131.5);

Tailwind

colors: {
  custom: {
    50: '#b9de94',
    500: '#99cf66',
    950: '#000000',
  },
}

SCSS

$custom: #99cf66;
$custom-light: #b9de94;
$custom-dark: #000000;

JSON

{
  "hex": "#99cf66",
  "rgb": {
    "r": 153,
    "g": 207,
    "b": 102
  },
  "hsl": {
    "h": 90.857,
    "s": 52.239,
    "l": 60.588
  },
  "oklch": {
    "l": 0.79388,
    "c": 0.14727,
    "h": 131.5
  },
  "luminance": 0.52357
}

Semantic roles & 50–950 ramp

primary

#99CF66

secondary

#6E4594

accent

#26C075

background

#FDFEFC

surface

#F8FCF4

border

#D1D5CE

text

#12150D

muted

#82847F

Preview Lab

Preview with #99CF66

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

Preview Lab → · Contrast checker → · Palette generator →