#999F18#999F18

#999F18 is a light, vivid yellow. Relative luminance 0.316; OKLCH L 67.5% C 0.144 H 112.4°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#999F18
RGB	rgb(153, 159, 24)
HSL	hsl(63, 74%, 36%)
HSV	hsv(63, 85%, 62%)
CMYK	cmyk(3.8%, 0%, 84.9%, 37.6%)
CIE-LAB	lab(63.04, -17.37, 61.83)
CIE-LCH	lch(63.04, 64.22, 105.69°)
OKLab	oklab(67.54% -0.0549 0.133)
OKLCH	oklch(67.54% 0.144 112.4)
XYZ	xyz(25.7008, 31.6352, 5.6163)
Luminance	0.3164 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#999F18 #1E189F

analogous

#9F6118 #999F18 #559F18

triadic

#999F18 #18999F #9F1899

tetradic

#999F18 #189F61 #1E189F #9F1855

square

#999F18 #189F61 #1E189F #9F1855

split-complementary

#999F18 #18559F #61189F

monochromatic

#333508 #666A10 #999F18 #CCD420 #DDE44D

Accessibility & contrast

On white

2.87

#999F18 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#999F18 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #999F18

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##999F18	#FFFFFF	#000000	##000000
##999F18	1.00	2.87	7.33	7.33
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.33	21.00	1.00	1.00
##000000	7.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC9700

Deuteranopia (green-blind)

#AC9A27

Tritanopia (blue-blind)

#A49587

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #999f18;
/* rgb */ color: rgb(153, 159, 24);
/* oklch */ color: oklch(67.5% 0.144 112.4);

Tailwind

colors: {
  custom: {
    50: '#bbbb65',
    500: '#999f18',
    950: '#000000',
  },
}

SCSS

$custom: #999f18;
$custom-light: #bbbb65;
$custom-dark: #000000;

JSON

{
  "hex": "#999f18",
  "rgb": {
    "r": 153,
    "g": 159,
    "b": 24
  },
  "hsl": {
    "h": 62.667,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.67544,
    "c": 0.1439,
    "h": 112.4
  },
  "luminance": 0.31635
}

Semantic roles & 50–950 ramp

primary

#999F18

secondary

#524DC6

accent

#37F040

background

#FCFBF6

surface

#F8F6EB

border

#D1D0C6

text

#121106

muted

#81807A

Preview Lab

Preview with #999F18

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

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