#99AA21#99AA21

#99AA21 is a light, vivid yellow. Relative luminance 0.356; OKLCH L 70.1% C 0.152 H 116.9°. Best body text is #000000 at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#99AA21
RGB	rgb(153, 170, 33)
HSL	hsl(67, 67%, 40%)
HSV	hsv(67, 81%, 67%)
CMYK	cmyk(10%, 0%, 80.6%, 33.3%)
CIE-LAB	lab(66.24, -22.63, 62.24)
CIE-LCH	lch(66.24, 66.22, 109.98°)
OKLab	oklab(70.12% -0.0688 0.1354)
OKLCH	oklch(70.12% 0.152 116.9)
XYZ	xyz(27.7868, 35.6319, 6.8524)
Luminance	0.3563 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99AA21 #3221AA

analogous

#AA7621 #99AA21 #55AA21

triadic

#99AA21 #2199AA #AA2199

tetradic

#99AA21 #21AA76 #3221AA #AA2155

square

#99AA21 #21AA76 #3221AA #AA2155

split-complementary

#99AA21 #2155AA #7621AA

monochromatic

#3D430D #6B7717 #99AA21 #C2D731 #D2E164

Accessibility & contrast

On white

2.58

#99AA21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.13

#99AA21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99AA21

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99AA21	#FFFFFF	#000000	##000000
##99AA21	1.00	2.58	8.13	8.13
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.13	21.00	1.00	1.00
##000000	8.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A100

Deuteranopia (green-blind)

#B5A22F

Tritanopia (blue-blind)

#A3A091

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #99aa21;
/* rgb */ color: rgb(153, 170, 33);
/* oklch */ color: oklch(70.1% 0.152 116.9);

Tailwind

colors: {
  custom: {
    50: '#bbc36a',
    500: '#99aa21',
    950: '#000000',
  },
}

SCSS

$custom: #99aa21;
$custom-light: #bbc36a;
$custom-dark: #000000;

JSON

{
  "hex": "#99aa21",
  "rgb": {
    "r": 153,
    "g": 170,
    "b": 33
  },
  "hsl": {
    "h": 67.445,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.70122,
    "c": 0.15193,
    "h": 116.9
  },
  "luminance": 0.35632
}

Semantic roles & 50–950 ramp

primary

#99AA21

secondary

#6D61C6

accent

#3DEA53

background

#FBFBF6

surface

#F7F7EC

border

#D0D0C7

text

#121207

muted

#81817A

Preview Lab

Preview with #99AA21

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

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