#99B423#99B423

#99B423 is a light, vivid yellow-green. Relative luminance 0.395; OKLCH L 72.5% C 0.162 H 120.3°. Best body text is #000000 at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#99B423
RGB	rgb(153, 180, 35)
HSL	hsl(71, 67%, 42%)
HSV	hsv(71, 81%, 71%)
CMYK	cmyk(15%, 0%, 80.6%, 29.4%)
CIE-LAB	lab(69.14, -27.44, 64.25)
CIE-LCH	lch(69.14, 69.87, 113.13°)
OKLab	oklab(72.46% -0.0819 0.1401)
OKLCH	oklch(72.46% 0.162 120.3)
XYZ	xyz(29.7621, 39.5363, 7.6531)
Luminance	0.3954 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B423 #3E23B4

analogous

#B48623 #99B423 #51B423

triadic

#99B423 #2399B4 #B42399

tetradic

#99B423 #23B486 #3E23B4 #B42351

square

#99B423 #23B486 #3E23B4 #B42351

split-complementary

#99B423 #2351B4 #8623B4

monochromatic

#424E0F #6D8119 #99B423 #BCD93B #CDE36E

Accessibility & contrast

On white

2.36

#99B423 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.91

#99B423 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B423

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B423	#FFFFFF	#000000	##000000
##99B423	1.00	2.36	8.91	8.91
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.91	21.00	1.00	1.00
##000000	8.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0A900

Deuteranopia (green-blind)

#BDA932

Tritanopia (blue-blind)

#A2AA9A

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #99b423;
/* rgb */ color: rgb(153, 180, 35);
/* oklch */ color: oklch(72.5% 0.162 120.3);

Tailwind

colors: {
  custom: {
    50: '#bbca6c',
    500: '#99b423',
    950: '#000000',
  },
}

SCSS

$custom: #99b423;
$custom-light: #bbca6c;
$custom-dark: #000000;

JSON

{
  "hex": "#99b423",
  "rgb": {
    "r": 153,
    "g": 180,
    "b": 35
  },
  "hsl": {
    "h": 71.172,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.72461,
    "c": 0.16227,
    "h": 120.3
  },
  "luminance": 0.39536
}

Semantic roles & 50–950 ramp

primary

#99B423

secondary

#7B69C9

accent

#3DEA5E

background

#FBFCF6

surface

#F7F8EC

border

#D0D1C7

text

#121308

muted

#81827B

Preview Lab

Preview with #99B423

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

Preview Lab → · Contrast checker → · Palette generator →