#99C63C#99C63C

#99C63C is a light, vivid yellow-green. Relative luminance 0.475; OKLCH L 76.8% C 0.170 H 125.9°. Best body text is #000000 at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#99C63C
RGB	rgb(153, 198, 60)
HSL	hsl(80, 55%, 51%)
HSV	hsv(80, 70%, 78%)
CMYK	cmyk(22.7%, 0%, 69.7%, 22.4%)
CIE-LAB	lab(74.50, -34.64, 61.11)
CIE-LCH	lch(74.50, 70.25, 119.55°)
OKLab	oklab(76.84% -0.0996 0.1375)
OKLCH	oklch(76.84% 0.17 125.9)
XYZ	xyz(34.1467, 47.4862, 11.6408)
Luminance	0.4749 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C63C #693CC6

analogous

#C6AE3C #99C63C #54C63C

triadic

#99C63C #3C99C6 #C63C99

tetradic

#99C63C #3CC6AE #693CC6 #C63C54

square

#99C63C #3CC6AE #693CC6 #C63C54

split-complementary

#99C63C #3C54C6 #AE3CC6

monochromatic

#51691F #75982D #99C63C #B2D46B #CBE29B

Accessibility & contrast

On white

2.00

#99C63C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.50

#99C63C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C63C

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C63C	#FFFFFF	#000000	##000000
##99C63C	1.00	2.00	10.50	10.50
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.50	21.00	1.00	1.00
##000000	10.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B926

Deuteranopia (green-blind)

#CAB748

Tritanopia (blue-blind)

#9FBDAB

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #99c63c;
/* rgb */ color: rgb(153, 198, 60);
/* oklch */ color: oklch(76.8% 0.170 125.9);

Tailwind

colors: {
  custom: {
    50: '#bbd77a',
    500: '#99c63c',
    950: '#000000',
  },
}

SCSS

$custom: #99c63c;
$custom-light: #bbd77a;
$custom-dark: #000000;

JSON

{
  "hex": "#99c63c",
  "rgb": {
    "r": 153,
    "g": 198,
    "b": 60
  },
  "hsl": {
    "h": 79.565,
    "s": 54.762,
    "l": 50.588
  },
  "oklch": {
    "l": 0.76839,
    "c": 0.16981,
    "h": 125.9
  },
  "luminance": 0.47487
}

Semantic roles & 50–950 ramp

primary

#99C63C

secondary

#A490CE

accent

#4ADE7A

background

#FBFDF7

surface

#F7FAEE

border

#D0D3C9

text

#12140A

muted

#81837C

Preview Lab

Preview with #99C63C

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

Preview Lab → · Contrast checker → · Palette generator →