#99CC3A#99CC3A

#99CC3A is a light, vivid yellow-green. Relative luminance 0.503; OKLCH L 78.2% C 0.178 H 127.1°. Best body text is #000000 at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#99CC3A
RGB	rgb(153, 204, 58)
HSL	hsl(81, 59%, 51%)
HSV	hsv(81, 72%, 80%)
CMYK	cmyk(25%, 0%, 71.6%, 20%)
CIE-LAB	lab(76.23, -37.49, 63.57)
CIE-LCH	lch(76.23, 73.80, 120.53°)
OKLab	oklab(78.24% -0.1076 0.1424)
OKLCH	oklch(78.24% 0.178 127.1)
XYZ	xyz(35.4935, 50.2629, 11.8339)
Luminance	0.5026 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99CC3A #6D3ACC

analogous

#CCB63A #99CC3A #50CC3A

triadic

#99CC3A #3A99CC #CC3A99

tetradic

#99CC3A #3ACCB6 #6D3ACC #CC3A50

square

#99CC3A #3ACCB6 #6D3ACC #CC3A50

split-complementary

#99CC3A #3A50CC #B63ACC

monochromatic

#526F1D #76A029 #99CC3A #B2D96B #CBE59B

Accessibility & contrast

On white

1.90

#99CC3A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.05

#99CC3A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99CC3A

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99CC3A	#FFFFFF	#000000	##000000
##99CC3A	1.00	1.90	11.05	11.05
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.05	21.00	1.00	1.00
##000000	11.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BE20

Deuteranopia (green-blind)

#CFBB47

Tritanopia (blue-blind)

#9FC3B0

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #99cc3a;
/* rgb */ color: rgb(153, 204, 58);
/* oklch */ color: oklch(78.2% 0.178 127.1);

Tailwind

colors: {
  custom: {
    50: '#bbdb79',
    500: '#99cc3a',
    950: '#000000',
  },
}

SCSS

$custom: #99cc3a;
$custom-light: #bbdb79;
$custom-dark: #000000;

JSON

{
  "hex": "#99cc3a",
  "rgb": {
    "r": 153,
    "g": 204,
    "b": 58
  },
  "hsl": {
    "h": 80.959,
    "s": 58.871,
    "l": 51.373
  },
  "oklch": {
    "l": 0.78237,
    "c": 0.17847,
    "h": 127.1
  },
  "luminance": 0.50264
}

Semantic roles & 50–950 ramp

primary

#99CC3A

secondary

#4B3278

accent

#46E27C

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150A

muted

#82847D

Preview Lab

Preview with #99CC3A

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

Preview Lab → · Contrast checker → · Palette generator →