#99D63B#99D63B

#99D63B is a light, vivid yellow-green. Relative luminance 0.552; OKLCH L 80.6% C 0.190 H 128.9°. Best body text is #000000 at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#99D63B
RGB	rgb(153, 214, 59)
HSL	hsl(84, 65%, 54%)
HSV	hsv(84, 72%, 84%)
CMYK	cmyk(28.5%, 0%, 72.4%, 16.1%)
CIE-LAB	lab(79.14, -41.85, 66.10)
CIE-LCH	lch(79.14, 78.24, 122.34°)
OKLab	oklab(80.61% -0.1194 0.1478)
OKLCH	oklch(80.61% 0.19 128.9)
XYZ	xyz(37.9728, 55.1802, 12.7870)
Luminance	0.5518 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D63B #783BD6

analogous

#D6C53B #99D63B #4BD63B

triadic

#99D63B #3B99D6 #D63B99

tetradic

#99D63B #3BD6C5 #783BD6 #D63B4B

square

#99D63B #3BD6C5 #783BD6 #D63B4B

split-complementary

#99D63B #3B4BD6 #C53BD6

monochromatic

#567D1A #79AF25 #99D63B #B3E16E #CEEBA0

Accessibility & contrast

On white

1.74

#99D63B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.04

#99D63B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D63B

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D63B	#FFFFFF	#000000	##000000
##99D63B	1.00	1.74	12.04	12.04
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.04	21.00	1.00	1.00
##000000	12.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C71D

Deuteranopia (green-blind)

#D8C349

Tritanopia (blue-blind)

#9ECDB8

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #99d63b;
/* rgb */ color: rgb(153, 214, 59);
/* oklch */ color: oklch(80.6% 0.190 128.9);

Tailwind

colors: {
  custom: {
    50: '#bbe37b',
    500: '#99d63b',
    950: '#000000',
  },
}

SCSS

$custom: #99d63b;
$custom-light: #bbe37b;
$custom-dark: #000000;

JSON

{
  "hex": "#99d63b",
  "rgb": {
    "r": 153,
    "g": 214,
    "b": 59
  },
  "hsl": {
    "h": 83.613,
    "s": 65.401,
    "l": 53.529
  },
  "oklch": {
    "l": 0.80606,
    "c": 0.19005,
    "h": 128.9
  },
  "luminance": 0.55181
}

Semantic roles & 50–950 ramp

primary

#99D63B

secondary

#523184

accent

#3FE882

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150A

muted

#82847D

Preview Lab

Preview with #99D63B

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

Preview Lab → · Contrast checker → · Palette generator →