#C4D23B#C4D23B

#C4D23B is a very light, vivid yellow. Relative luminance 0.581; OKLCH L 82.7% C 0.168 H 114.8°. Best body text is #000000 at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#C4D23B
RGB	rgb(196, 210, 59)
HSL	hsl(66, 63%, 53%)
HSV	hsv(66, 72%, 82%)
CMYK	cmyk(6.7%, 0%, 71.9%, 17.6%)
CIE-LAB	lab(80.82, -23.06, 68.69)
CIE-LCH	lch(80.82, 72.45, 108.56°)
OKLab	oklab(82.68% -0.0702 0.1522)
OKLCH	oklch(82.68% 0.168 114.8)
XYZ	xyz(46.6023, 58.1456, 12.9051)
Luminance	0.5815 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4D23B #493BD2

analogous

#D2953B #C4D23B #78D23B

triadic

#C4D23B #3BC4D2 #D23BC4

tetradic

#C4D23B #3BD295 #493BD2 #D23B78

square

#C4D23B #3BD295 #493BD2 #D23B78

split-complementary

#C4D23B #3B78D2 #953BD2

monochromatic

#6F771B #9DA927 #C4D23B #D3DD6D #E2E99F

Accessibility & contrast

On white

1.66

#C4D23B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.63

#C4D23B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4D23B

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4D23B	#FFFFFF	#000000	##000000
##C4D23B	1.00	1.66	12.63	12.63
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.63	21.00	1.00	1.00
##000000	12.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C71E

Deuteranopia (green-blind)

#E0CA47

Tritanopia (blue-blind)

#D1C6B5

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #c4d23b;
/* rgb */ color: rgb(196, 210, 59);
/* oklch */ color: oklch(82.7% 0.168 114.8);

Tailwind

colors: {
  custom: {
    50: '#d9df7b',
    500: '#c4d23b',
    950: '#000000',
  },
}

SCSS

$custom: #c4d23b;
$custom-light: #d9df7b;
$custom-dark: #000000;

JSON

{
  "hex": "#c4d23b",
  "rgb": {
    "r": 196,
    "g": 210,
    "b": 59
  },
  "hsl": {
    "h": 65.563,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.82675,
    "c": 0.16758,
    "h": 114.8
  },
  "luminance": 0.58145
}

Semantic roles & 50–950 ramp

primary

#C4D23B

secondary

#39327F

accent

#42E651

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#15150A

muted

#84847D

Preview Lab

Preview with #C4D23B

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

Preview Lab → · Contrast checker → · Palette generator →