#99B421#99B421

#99B421 is a light, vivid yellow-green. Relative luminance 0.395; OKLCH L 72.5% C 0.163 H 120.3°. Best body text is #000000 at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#99B421
RGB	rgb(153, 180, 33)
HSL	hsl(71, 69%, 42%)
HSV	hsv(71, 82%, 71%)
CMYK	cmyk(15%, 0%, 81.7%, 29.4%)
CIE-LAB	lab(69.13, -27.52, 64.79)
CIE-LCH	lch(69.13, 70.39, 113.01°)
OKLab	oklab(72.45% -0.0822 0.1409)
OKLCH	oklch(72.45% 0.163 120.3)
XYZ	xyz(29.7333, 39.5247, 7.5012)
Luminance	0.3952 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B421 #3C21B4

analogous

#B48521 #99B421 #50B421

triadic

#99B421 #2199B4 #B42199

tetradic

#99B421 #21B485 #3C21B4 #B42150

square

#99B421 #21B485 #3C21B4 #B42150

split-complementary

#99B421 #2150B4 #8521B4

monochromatic

#414D0E #6D8018 #99B421 #BDDA38 #CEE46B

Accessibility & contrast

On white

2.36

#99B421 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.90

#99B421 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B421

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B421	#FFFFFF	#000000	##000000
##99B421	1.00	2.36	8.90	8.90
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.90	21.00	1.00	1.00
##000000	8.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0A900

Deuteranopia (green-blind)

#BDA931

Tritanopia (blue-blind)

#A2AA9A

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #99b421;
/* rgb */ color: rgb(153, 180, 33);
/* oklch */ color: oklch(72.5% 0.163 120.3);

Tailwind

colors: {
  custom: {
    50: '#bbca6b',
    500: '#99b421',
    950: '#000000',
  },
}

SCSS

$custom: #99b421;
$custom-light: #bbca6b;
$custom-dark: #000000;

JSON

{
  "hex": "#99b421",
  "rgb": {
    "r": 153,
    "g": 180,
    "b": 33
  },
  "hsl": {
    "h": 71.02,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.72451,
    "c": 0.16314,
    "h": 120.3
  },
  "luminance": 0.39525
}

Semantic roles & 50–950 ramp

primary

#99B421

secondary

#7967CA

accent

#3CEC5C

background

#FBFCF6

surface

#F7F8EC

border

#D0D1C7

text

#121307

muted

#81827A

Preview Lab

Preview with #99B421

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

Preview Lab → · Contrast checker → · Palette generator →