#99AC1F#99AC1F

#99AC1F is a light, vivid yellow. Relative luminance 0.364; OKLCH L 70.6% C 0.155 H 117.6°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#99AC1F
RGB	rgb(153, 172, 31)
HSL	hsl(68, 69%, 40%)
HSV	hsv(68, 82%, 67%)
CMYK	cmyk(11%, 0%, 82%, 32.5%)
CIE-LAB	lab(66.81, -23.69, 63.28)
CIE-LCH	lch(66.81, 67.57, 110.52°)
OKLab	oklab(70.58% -0.0719 0.1373)
OKLCH	oklch(70.58% 0.155 117.6)
XYZ	xyz(28.1374, 36.3766, 6.8352)
Luminance	0.3638 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99AC1F #321FAC

analogous

#AC781F #99AC1F #53AC1F

triadic

#99AC1F #1F99AC #AC1F99

tetradic

#99AC1F #1FAC78 #321FAC #AC1F53

square

#99AC1F #1FAC78 #321FAC #AC1F53

split-complementary

#99AC1F #1F53AC #781FAC

monochromatic

#3D440C #6B7816 #99AC1F #C2D92F #D2E363

Accessibility & contrast

On white

2.54

#99AC1F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.28

#99AC1F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99AC1F

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99AC1F	#FFFFFF	#000000	##000000
##99AC1F	1.00	2.54	8.28	8.28
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.28	21.00	1.00	1.00
##000000	8.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#B6A32E

Tritanopia (blue-blind)

#A3A293

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #99ac1f;
/* rgb */ color: rgb(153, 172, 31);
/* oklch */ color: oklch(70.6% 0.155 117.6);

Tailwind

colors: {
  custom: {
    50: '#bbc469',
    500: '#99ac1f',
    950: '#000000',
  },
}

SCSS

$custom: #99ac1f;
$custom-light: #bbc469;
$custom-dark: #000000;

JSON

{
  "hex": "#99ac1f",
  "rgb": {
    "r": 153,
    "g": 172,
    "b": 31
  },
  "hsl": {
    "h": 68.085,
    "s": 69.458,
    "l": 39.804
  },
  "oklch": {
    "l": 0.70577,
    "c": 0.15501,
    "h": 117.6
  },
  "luminance": 0.36376
}

Semantic roles & 50–950 ramp

primary

#99AC1F

secondary

#6D5FC8

accent

#3CEC53

background

#FBFCF6

surface

#F7F8EC

border

#D0D1C7

text

#121207

muted

#81817A

Preview Lab

Preview with #99AC1F

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

Preview Lab → · Contrast checker → · Palette generator →