#99B31D#99B31D

#99B31D is a light, vivid yellow-green. Relative luminance 0.391; OKLCH L 72.2% C 0.164 H 119.9°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#99B31D
RGB	rgb(153, 179, 29)
HSL	hsl(70, 72%, 41%)
HSV	hsv(70, 84%, 70%)
CMYK	cmyk(14.5%, 0%, 83.8%, 29.8%)
CIE-LAB	lab(68.82, -27.17, 65.54)
CIE-LCH	lch(68.82, 70.95, 112.52°)
OKLab	oklab(72.2% -0.0815 0.1419)
OKLCH	oklch(72.2% 0.164 119.9)
XYZ	xyz(29.4794, 39.1013, 7.1565)
Luminance	0.3910 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B31D #371DB3

analogous

#B3821D #99B31D #4EB31D

triadic

#99B31D #1D99B3 #B31D99

tetradic

#99B31D #1DB382 #371DB3 #B31D4E

square

#99B31D #1DB382 #371DB3 #B31D4E

split-complementary

#99B31D #1D4EB3 #821DB3

monochromatic

#3F4A0C #6C7E14 #99B31D #BFDD30 #D0E664

Accessibility & contrast

On white

2.38

#99B31D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.82

#99B31D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B31D

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B31D	#FFFFFF	#000000	##000000
##99B31D	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)

#BCA82E

Tritanopia (blue-blind)

#A2A999

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #99b31d;
/* rgb */ color: rgb(153, 179, 29);
/* oklch */ color: oklch(72.2% 0.164 119.9);

Tailwind

colors: {
  custom: {
    50: '#bbc96a',
    500: '#99b31d',
    950: '#000000',
  },
}

SCSS

$custom: #99b31d;
$custom-light: #bbc96a;
$custom-dark: #000000;

JSON

{
  "hex": "#99b31d",
  "rgb": {
    "r": 153,
    "g": 179,
    "b": 29
  },
  "hsl": {
    "h": 70.4,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.722,
    "c": 0.16362,
    "h": 119.9
  },
  "luminance": 0.39101
}

Semantic roles & 50–950 ramp

primary

#99B31D

secondary

#7361CB

accent

#39EF58

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#121307

muted

#81827A

Preview Lab

Preview with #99B31D

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

Preview Lab → · Contrast checker → · Palette generator →