#99B231#99B231

#99B231 is a light, vivid yellow-green. Relative luminance 0.388; OKLCH L 72.1% C 0.152 H 120.0°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#99B231
RGB	rgb(153, 178, 49)
HSL	hsl(72, 57%, 45%)
HSV	hsv(72, 72%, 70%)
CMYK	cmyk(14%, 0%, 72.5%, 30.2%)
CIE-LAB	lab(68.63, -25.83, 59.31)
CIE-LCH	lch(68.63, 64.69, 113.53°)
OKLab	oklab(72.08% -0.0763 0.132)
OKLCH	oklch(72.08% 0.153 120)
XYZ	xyz(29.6122, 38.8350, 8.8410)
Luminance	0.3883 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B231 #4A31B2

analogous

#B28B31 #99B231 #59B231

triadic

#99B231 #3199B2 #B23199

tetradic

#99B231 #31B28B #4A31B2 #B23159

square

#99B231 #31B28B #4A31B2 #B23159

split-complementary

#99B231 #3159B2 #8B31B2

monochromatic

#475217 #708224 #99B231 #B7CF51 #CBDC81

Accessibility & contrast

On white

2.40

#99B231 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.77

#99B231 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B231

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B231	#FFFFFF	#000000	##000000
##99B231	1.00	2.40	8.77	8.77
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.77	21.00	1.00	1.00
##000000	8.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA819

Deuteranopia (green-blind)

#BAA83C

Tritanopia (blue-blind)

#A2A899

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #99b231;
/* rgb */ color: rgb(153, 178, 49);
/* oklch */ color: oklch(72.1% 0.152 120.0);

Tailwind

colors: {
  custom: {
    50: '#bac972',
    500: '#99b231',
    950: '#000000',
  },
}

SCSS

$custom: #99b231;
$custom-light: #bac972;
$custom-dark: #000000;

JSON

{
  "hex": "#99b231",
  "rgb": {
    "r": 153,
    "g": 178,
    "b": 49
  },
  "hsl": {
    "h": 71.628,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.72076,
    "c": 0.1525,
    "h": 120
  },
  "luminance": 0.38835
}

Semantic roles & 50–950 ramp

primary

#99B231

secondary

#8879C5

accent

#48E065

background

#FBFCF7

surface

#F7F8ED

border

#D0D1C8

text

#121308

muted

#81827B

Preview Lab

Preview with #99B231

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

Preview Lab → · Contrast checker → · Palette generator →