#999F1B#999F1B

#999F1B is a light, vivid yellow. Relative luminance 0.316; OKLCH L 67.6% C 0.143 H 112.4°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#999F1B
RGB	rgb(153, 159, 27)
HSL	hsl(63, 71%, 36%)
HSV	hsv(63, 83%, 62%)
CMYK	cmyk(3.8%, 0%, 83%, 37.6%)
CIE-LAB	lab(63.05, -17.27, 61.09)
CIE-LCH	lch(63.05, 63.48, 105.79°)
OKLab	oklab(67.56% -0.0545 0.1319)
OKLCH	oklch(67.56% 0.143 112.4)
XYZ	xyz(25.7337, 31.6483, 5.7899)
Luminance	0.3165 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#999F1B #211B9F

analogous

#9F631B #999F1B #579F1B

triadic

#999F1B #1B999F #9F1B99

tetradic

#999F1B #1B9F63 #211B9F #9F1B57

square

#999F1B #1B9F63 #211B9F #9F1B57

split-complementary

#999F1B #1B579F #631B9F

monochromatic

#343609 #676B12 #999F1B #CBD324 #DBE253

Accessibility & contrast

On white

2.87

#999F1B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#999F1B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #999F1B

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##999F1B	#FFFFFF	#000000	##000000
##999F1B	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)

#AC9A29

Tritanopia (blue-blind)

#A49588

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #999f1b;
/* rgb */ color: rgb(153, 159, 27);
/* oklch */ color: oklch(67.6% 0.143 112.4);

Tailwind

colors: {
  custom: {
    50: '#bbbb66',
    500: '#999f1b',
    950: '#000000',
  },
}

SCSS

$custom: #999f1b;
$custom-light: #bbbb66;
$custom-dark: #000000;

JSON

{
  "hex": "#999f1b",
  "rgb": {
    "r": 153,
    "g": 159,
    "b": 27
  },
  "hsl": {
    "h": 62.727,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.67557,
    "c": 0.14273,
    "h": 112.4
  },
  "luminance": 0.31648
}

Semantic roles & 50–950 ramp

primary

#999F1B

secondary

#5651C5

accent

#3AEE42

background

#FBFBF6

surface

#F7F6EB

border

#D0D0C6

text

#121106

muted

#81807A

Preview Lab

Preview with #999F1B

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

Preview Lab → · Contrast checker → · Palette generator →