#C9DF51#C9DF51

#C9DF51 is a very light, vivid yellow. Relative luminance 0.658; OKLCH L 86.1% C 0.166 H 117.5°. Best body text is #000000 at 14.16:1 contrast (WCAG AA passes).

Color values

HEX	#C9DF51
RGB	rgb(201, 223, 81)
HSL	hsl(69, 69%, 60%)
HSV	hsv(69, 64%, 87%)
CMYK	cmyk(9.9%, 0%, 63.7%, 12.5%)
CIE-LAB	lab(84.89, -26.02, 64.70)
CIE-LCH	lch(84.89, 69.74, 111.91°)
OKLab	oklab(86.08% -0.0767 0.147)
OKLCH	oklch(86.08% 0.166 117.5)
XYZ	xyz(51.9613, 65.7875, 17.7439)
Luminance	0.6579 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9DF51 #6751DF

analogous

#DFAE51 #C9DF51 #82DF51

triadic

#C9DF51 #51C9DF #DF51C9

tetradic

#C9DF51 #51DFAE #6751DF #DF5182

square

#C9DF51 #51DFAE #6751DF #DF5182

split-complementary

#C9DF51 #5182DF #AE51DF

monochromatic

#86991C #B3CD26 #C9DF51 #D9E985 #E9F2B8

Accessibility & contrast

On white

1.48

#C9DF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.16

#C9DF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9DF51

14.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9DF51	#FFFFFF	#000000	##000000
##C9DF51	1.00	1.48	14.16	14.16
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.16	21.00	1.00	1.00
##000000	14.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDD43E

Deuteranopia (green-blind)

#EBD55B

Tritanopia (blue-blind)

#D5D3C2

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #c9df51;
/* rgb */ color: rgb(201, 223, 81);
/* oklch */ color: oklch(86.1% 0.166 117.5);

Tailwind

colors: {
  custom: {
    50: '#dce988',
    500: '#c9df51',
    950: '#000000',
  },
}

SCSS

$custom: #c9df51;
$custom-light: #dce988;
$custom-dark: #000000;

JSON

{
  "hex": "#c9df51",
  "rgb": {
    "r": 201,
    "g": 223,
    "b": 81
  },
  "hsl": {
    "h": 69.296,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.86077,
    "c": 0.16583,
    "h": 117.5
  },
  "luminance": 0.65787
}

Semantic roles & 50–950 ramp

primary

#C9DF51

secondary

#47379D

accent

#3CEC57

background

#FEFEFC

surface

#FCFCF4

border

#D5D5CE

text

#15160C

muted

#84847F

Preview Lab

Preview with #C9DF51

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

Preview Lab → · Contrast checker → · Palette generator →