#C5D53B#C5D53B

#C5D53B is a very light, vivid yellow. Relative luminance 0.598; OKLCH L 83.4% C 0.171 H 115.4°. Best body text is #000000 at 12.96:1 contrast (WCAG AA passes).

Color values

HEX	#C5D53B
RGB	rgb(197, 213, 59)
HSL	hsl(66, 65%, 53%)
HSV	hsv(66, 72%, 84%)
CMYK	cmyk(7.5%, 0%, 72.3%, 16.5%)
CIE-LAB	lab(81.72, -24.10, 69.57)
CIE-LCH	lch(81.72, 73.63, 109.10°)
OKLab	oklab(83.41% -0.0731 0.154)
OKLCH	oklch(83.41% 0.171 115.4)
XYZ	xyz(47.6109, 59.7754, 13.1665)
Luminance	0.5978 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5D53B #4B3BD5

analogous

#D5983B #C5D53B #78D53B

triadic

#C5D53B #3BC5D5 #D53BC5

tetradic

#C5D53B #3BD598 #4B3BD5 #D53B78

square

#C5D53B #3BD598 #4B3BD5 #D53B78

split-complementary

#C5D53B #3B78D5 #983BD5

monochromatic

#717B1A #9FAE25 #C5D53B #D4E06D #E3EBA0

Accessibility & contrast

On white

1.62

#C5D53B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.96

#C5D53B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5D53B

12.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5D53B	#FFFFFF	#000000	##000000
##C5D53B	1.00	1.62	12.96	12.96
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.96	21.00	1.00	1.00
##000000	12.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CA1C

Deuteranopia (green-blind)

#E3CC48

Tritanopia (blue-blind)

#D2C9B7

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #c5d53b;
/* rgb */ color: rgb(197, 213, 59);
/* oklch */ color: oklch(83.4% 0.171 115.4);

Tailwind

colors: {
  custom: {
    50: '#dae17c',
    500: '#c5d53b',
    950: '#000000',
  },
}

SCSS

$custom: #c5d53b;
$custom-light: #dae17c;
$custom-dark: #000000;

JSON

{
  "hex": "#c5d53b",
  "rgb": {
    "r": 197,
    "g": 213,
    "b": 59
  },
  "hsl": {
    "h": 66.234,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.83412,
    "c": 0.1705,
    "h": 115.4
  },
  "luminance": 0.59775
}

Semantic roles & 50–950 ramp

primary

#C5D53B

secondary

#3A3183

accent

#40E852

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#15150A

muted

#84847D

Preview Lab

Preview with #C5D53B

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

Preview Lab → · Contrast checker → · Palette generator →