#99B31A#99B31A

#99B31A is a light, vivid yellow-green. Relative luminance 0.391; OKLCH L 72.2% C 0.165 H 119.8°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#99B31A
RGB	rgb(153, 179, 26)
HSL	hsl(70, 75%, 40%)
HSV	hsv(70, 85%, 70%)
CMYK	cmyk(14.5%, 0%, 85.5%, 29.8%)
CIE-LAB	lab(68.81, -27.26, 66.22)
CIE-LCH	lch(68.81, 71.62, 112.38°)
OKLab	oklab(72.19% -0.082 0.1429)
OKLCH	oklch(72.19% 0.165 119.8)
XYZ	xyz(29.4441, 39.0872, 6.9705)
Luminance	0.3909 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B31A #341AB3

analogous

#B3801A #99B31A #4DB31A

triadic

#99B31A #1A99B3 #B31A99

tetradic

#99B31A #1AB380 #341AB3 #B31A4D

square

#99B31A #1AB380 #341AB3 #B31A4D

split-complementary

#99B31A #1A4DB3 #801AB3

monochromatic

#3E480A #6B7E12 #99B31A #C1E02A #D1E860

Accessibility & contrast

On white

2.38

#99B31A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.82

#99B31A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B31A

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B31A	#FFFFFF	#000000	##000000
##99B31A	1.00	2.38	8.82	8.82
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.82	21.00	1.00	1.00
##000000	8.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA800

Deuteranopia (green-blind)

#BCA82C

Tritanopia (blue-blind)

#A2A999

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #99b31a;
/* rgb */ color: rgb(153, 179, 26);
/* oklch */ color: oklch(72.2% 0.165 119.8);

Tailwind

colors: {
  custom: {
    50: '#bbc969',
    500: '#99b31a',
    950: '#000000',
  },
}

SCSS

$custom: #99b31a;
$custom-light: #bbc969;
$custom-dark: #000000;

JSON

{
  "hex": "#99b31a",
  "rgb": {
    "r": 153,
    "g": 179,
    "b": 26
  },
  "hsl": {
    "h": 70.196,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.72189,
    "c": 0.1647,
    "h": 119.8
  },
  "luminance": 0.39087
}

Semantic roles & 50–950 ramp

primary

#99B31A

secondary

#705DCC

accent

#37F156

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#121307

muted

#81827A

Preview Lab

Preview with #99B31A

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

Preview Lab → · Contrast checker → · Palette generator →