#C9D23B#C9D23B
#C9D23B is a very light, vivid yellow. Relative luminance 0.588; OKLCH L 83.1% C 0.166 H 112.9°. Best body text is #000000 at 12.77:1 contrast (WCAG AA passes).
Color values
| HEX | #C9D23B |
|---|---|
| RGB | rgb(201, 210, 59) |
| HSL | hsl(64, 63%, 53%) |
| HSV | hsv(64, 72%, 82%) |
| CMYK | cmyk(4.3%, 0%, 71.9%, 17.6%) |
| CIE-LAB | lab(81.20, -20.99, 69.18) |
| CIE-LCH | lch(81.20, 72.29, 106.88°) |
| OKLab | oklab(83.07% -0.0647 0.1531) |
| OKLCH | oklch(83.07% 0.166 112.9) |
| XYZ | xyz(47.9249, 58.8275, 12.9671) |
| Luminance | 0.5883 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Green Yellow
#B5CE08
ΔE00 3.82
Baby Puke Green
#B6C406
ΔE00 4.17
Bile
#B5C306
ΔE00 4.38
Sickly Yellow
#D0E429
ΔE00 4.64
Piss Yellow
#DDD618
ΔE00 5.05
Dirty Yellow
#CDC50A
ΔE00 5.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#C9D23B #443BD2
analogous
#D28F3B #C9D23B #7ED23B
triadic
#C9D23B #3BC9D2 #D23BC9
tetradic
#C9D23B #3BD28F #443BD2 #D23B7E
square
#C9D23B #3BD28F #443BD2 #D23B7E
split-complementary
#C9D23B #3B7ED2 #8F3BD2
monochromatic
#72771B #A1A927 #C9D23B #D7DD6D #E4E99F
Accessibility & contrast
On white
1.65
#C9D23B on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
12.77
#C9D23B on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #C9D23B
12.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##C9D23B | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##C9D23B | 1.00 | 1.65 | 12.77 | 12.77 |
| #FFFFFF | 1.65 | 1.00 | 21.00 | 21.00 |
| #000000 | 12.77 | 21.00 | 1.00 | 1.00 |
| ##000000 | 12.77 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#E2C81E
Deuteranopia (green-blind)
#E2CB47
Tritanopia (blue-blind)
#D7C5B5
Achromatopsia (no color)
#CACACA
Design tokens & code
CSS
--color: #c9d23b; /* rgb */ color: rgb(201, 210, 59); /* oklch */ color: oklch(83.1% 0.166 112.9);
Tailwind
colors: {
custom: {
50: '#dddf7b',
500: '#c9d23b',
950: '#000000',
},
}SCSS
$custom: #c9d23b; $custom-light: #dddf7b; $custom-dark: #000000;
JSON
{
"hex": "#c9d23b",
"rgb": {
"r": 201,
"g": 210,
"b": 59
},
"hsl": {
"h": 63.576,
"s": 62.656,
"l": 52.745
},
"oklch": {
"l": 0.8307,
"c": 0.16617,
"h": 112.9
},
"luminance": 0.58826
}Semantic roles & 50–950 ramp
primary
#C9D23B
secondary
#36327F
accent
#42E64C
background
#FEFEFB
surface
#FCFCF2
border
#D5D5CC
text
#16150A
muted
#84847D