#99AA1B#99AA1B

#99AA1B is a light, vivid yellow. Relative luminance 0.356; OKLCH L 70.1% C 0.154 H 116.9°. Best body text is #000000 at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#99AA1B
RGB	rgb(153, 170, 27)
HSL	hsl(67, 73%, 39%)
HSV	hsv(67, 84%, 67%)
CMYK	cmyk(10%, 0%, 84.1%, 33.3%)
CIE-LAB	lab(66.21, -22.83, 63.79)
CIE-LCH	lch(66.21, 67.75, 109.69°)
OKLab	oklab(70.1% -0.0698 0.1378)
OKLCH	oklch(70.1% 0.154 116.9)
XYZ	xyz(27.7102, 35.6013, 6.4487)
Luminance	0.3560 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99AA1B #2C1BAA

analogous

#AA731B #99AA1B #51AA1B

triadic

#99AA1B #1B99AA #AA1B99

tetradic

#99AA1B #1BAA73 #2C1BAA #AA1B51

square

#99AA1B #1BAA73 #2C1BAA #AA1B51

split-complementary

#99AA1B #1B51AA #731BAA

monochromatic

#3A400A #697513 #99AA1B #C7DC26 #D4E55B

Accessibility & contrast

On white

2.59

#99AA1B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.12

#99AA1B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99AA1B

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99AA1B	#FFFFFF	#000000	##000000
##99AA1B	1.00	2.59	8.12	8.12
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.12	21.00	1.00	1.00
##000000	8.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A000

Deuteranopia (green-blind)

#B5A22B

Tritanopia (blue-blind)

#A3A091

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #99aa1b;
/* rgb */ color: rgb(153, 170, 27);
/* oklch */ color: oklch(70.1% 0.154 116.9);

Tailwind

colors: {
  custom: {
    50: '#bbc368',
    500: '#99aa1b',
    950: '#000000',
  },
}

SCSS

$custom: #99aa1b;
$custom-light: #bbc368;
$custom-dark: #000000;

JSON

{
  "hex": "#99aa1b",
  "rgb": {
    "r": 153,
    "g": 170,
    "b": 27
  },
  "hsl": {
    "h": 67.133,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.70096,
    "c": 0.15442,
    "h": 116.9
  },
  "luminance": 0.35601
}

Semantic roles & 50–950 ramp

primary

#99AA1B

secondary

#6658C9

accent

#39EF4E

background

#FBFBF6

surface

#F7F7EB

border

#D0D0C6

text

#121207

muted

#81817A

Preview Lab

Preview with #99AA1B

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

Preview Lab → · Contrast checker → · Palette generator →