#99CC3F#99CC3F

#99CC3F is a light, vivid yellow-green. Relative luminance 0.503; OKLCH L 78.3% C 0.175 H 127.3°. Best body text is #000000 at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#99CC3F
RGB	rgb(153, 204, 63)
HSL	hsl(82, 58%, 52%)
HSV	hsv(82, 69%, 80%)
CMYK	cmyk(25%, 0%, 69.1%, 20%)
CIE-LAB	lab(76.26, -37.18, 61.78)
CIE-LCH	lch(76.26, 72.10, 121.04°)
OKLab	oklab(78.27% -0.1063 0.1394)
OKLCH	oklch(78.27% 0.175 127.3)
XYZ	xyz(35.6270, 50.3162, 12.5366)
Luminance	0.5032 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99CC3F #723FCC

analogous

#CCB93F #99CC3F #53CC3F

triadic

#99CC3F #3F99CC #CC3F99

tetradic

#99CC3F #3FCCB9 #723FCC #CC3F53

square

#99CC3F #3FCCB9 #723FCC #CC3F53

split-complementary

#99CC3F #3F53CC #B93FCC

monochromatic

#54721E #77A32B #99CC3F #B3D96F #CCE6A0

Accessibility & contrast

On white

1.90

#99CC3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.06

#99CC3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99CC3F

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99CC3F	#FFFFFF	#000000	##000000
##99CC3F	1.00	1.90	11.06	11.06
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.06	21.00	1.00	1.00
##000000	11.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BE29

Deuteranopia (green-blind)

#CFBB4B

Tritanopia (blue-blind)

#9FC3B0

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #99cc3f;
/* rgb */ color: rgb(153, 204, 63);
/* oklch */ color: oklch(78.3% 0.175 127.3);

Tailwind

colors: {
  custom: {
    50: '#bbdb7c',
    500: '#99cc3f',
    950: '#000000',
  },
}

SCSS

$custom: #99cc3f;
$custom-light: #bbdb7c;
$custom-dark: #000000;

JSON

{
  "hex": "#99cc3f",
  "rgb": {
    "r": 153,
    "g": 204,
    "b": 63
  },
  "hsl": {
    "h": 81.702,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.78274,
    "c": 0.17529,
    "h": 127.3
  },
  "luminance": 0.50317
}

Semantic roles & 50–950 ramp

primary

#99CC3F

secondary

#4E347B

accent

#47E17F

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150A

muted

#82847D

Preview Lab

Preview with #99CC3F

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

Preview Lab → · Contrast checker → · Palette generator →