#99B531#99B531

#99B531 is a light, vivid yellow-green. Relative luminance 0.400; OKLCH L 72.8% C 0.156 H 121.0°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#99B531
RGB	rgb(153, 181, 49)
HSL	hsl(73, 57%, 45%)
HSV	hsv(73, 73%, 71%)
CMYK	cmyk(15.5%, 0%, 72.9%, 29%)
CIE-LAB	lab(69.50, -27.29, 60.16)
CIE-LCH	lch(69.50, 66.05, 114.40°)
OKLab	oklab(72.78% -0.0804 0.1338)
OKLCH	oklch(72.78% 0.156 121)
XYZ	xyz(30.2156, 40.0418, 9.0422)
Luminance	0.4004 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B531 #4D31B5

analogous

#B58F31 #99B531 #57B531

triadic

#99B531 #3199B5 #B53199

tetradic

#99B531 #31B58F #4D31B5 #B53157

square

#99B531 #31B58F #4D31B5 #B53157

split-complementary

#99B531 #3157B5 #8F31B5

monochromatic

#485517 #708524 #99B531 #B6D053 #CADD83

Accessibility & contrast

On white

2.33

#99B531 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.01

#99B531 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B531

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B531	#FFFFFF	#000000	##000000
##99B531	1.00	2.33	9.01	9.01
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.01	21.00	1.00	1.00
##000000	9.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AA17

Deuteranopia (green-blind)

#BDAA3C

Tritanopia (blue-blind)

#A2AB9C

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #99b531;
/* rgb */ color: rgb(153, 181, 49);
/* oklch */ color: oklch(72.8% 0.156 121.0);

Tailwind

colors: {
  custom: {
    50: '#bacb72',
    500: '#99b531',
    950: '#000000',
  },
}

SCSS

$custom: #99b531;
$custom-light: #bacb72;
$custom-dark: #000000;

JSON

{
  "hex": "#99b531",
  "rgb": {
    "r": 153,
    "g": 181,
    "b": 49
  },
  "hsl": {
    "h": 72.727,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.72775,
    "c": 0.15607,
    "h": 121
  },
  "luminance": 0.40042
}

Semantic roles & 50–950 ramp

primary

#99B531

secondary

#8B7BC7

accent

#47E168

background

#FBFCF7

surface

#F7F8ED

border

#D0D1C8

text

#121308

muted

#81827B

Preview Lab

Preview with #99B531

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

Preview Lab → · Contrast checker → · Palette generator →