#99B41B#99B41B

#99B41B is a light, vivid yellow-green. Relative luminance 0.395; OKLCH L 72.4% C 0.165 H 120.2°. Best body text is #000000 at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#99B41B
RGB	rgb(153, 180, 27)
HSL	hsl(71, 74%, 41%)
HSV	hsv(71, 85%, 71%)
CMYK	cmyk(15%, 0%, 85%, 29.4%)
CIE-LAB	lab(69.11, -27.71, 66.25)
CIE-LCH	lch(69.11, 71.81, 112.70°)
OKLab	oklab(72.43% -0.0831 0.1431)
OKLCH	oklch(72.43% 0.165 120.2)
XYZ	xyz(29.6566, 39.4941, 7.0975)
Luminance	0.3949 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B41B #361BB4

analogous

#B4821B #99B41B #4DB41B

triadic

#99B41B #1B99B4 #B41B99

tetradic

#99B41B #1BB482 #361BB4 #B41B4D

square

#99B41B #1BB482 #361BB4 #B41B4D

split-complementary

#99B41B #1B4DB4 #821BB4

monochromatic

#3F4A0B #6C7F13 #99B41B #C0DF2D #D0E762

Accessibility & contrast

On white

2.36

#99B41B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.90

#99B41B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B41B

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B41B	#FFFFFF	#000000	##000000
##99B41B	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)

#BDA92D

Tritanopia (blue-blind)

#A2AA99

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #99b41b;
/* rgb */ color: rgb(153, 180, 27);
/* oklch */ color: oklch(72.4% 0.165 120.2);

Tailwind

colors: {
  custom: {
    50: '#bbca69',
    500: '#99b41b',
    950: '#000000',
  },
}

SCSS

$custom: #99b41b;
$custom-light: #bbca69;
$custom-dark: #000000;

JSON

{
  "hex": "#99b41b",
  "rgb": {
    "r": 153,
    "g": 180,
    "b": 27
  },
  "hsl": {
    "h": 70.588,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.72427,
    "c": 0.16547,
    "h": 120.2
  },
  "luminance": 0.39494
}

Semantic roles & 50–950 ramp

primary

#99B41B

secondary

#725FCC

accent

#37F158

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#121307

muted

#81827A

Preview Lab

Preview with #99B41B

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

Preview Lab → · Contrast checker → · Palette generator →