#C5D540#C5D540

#C5D540 is a very light, vivid yellow. Relative luminance 0.598; OKLCH L 83.4% C 0.168 H 115.5°. Best body text is #000000 at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#C5D540
RGB	rgb(197, 213, 64)
HSL	hsl(66, 64%, 54%)
HSV	hsv(66, 70%, 84%)
CMYK	cmyk(7.5%, 0%, 70%, 16.5%)
CIE-LAB	lab(81.75, -23.85, 67.86)
CIE-LCH	lch(81.75, 71.93, 109.36°)
OKLab	oklab(83.45% -0.072 0.1512)
OKLCH	oklch(83.45% 0.168 115.5)
XYZ	xyz(47.7469, 59.8297, 13.8825)
Luminance	0.5983 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5D540 #5040D5

analogous

#D59B40 #C5D540 #7BD540

triadic

#C5D540 #40C5D5 #D540C5

tetradic

#C5D540 #40D59B #5040D5 #D5407B

square

#C5D540 #40D59B #5040D5 #D5407B

split-complementary

#C5D540 #407BD5 #9B40D5

monochromatic

#747F1C #A2B127 #C5D540 #D4E072 #E3EBA4

Accessibility & contrast

On white

1.62

#C5D540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.97

#C5D540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5D540

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5D540	#FFFFFF	#000000	##000000
##C5D540	1.00	1.62	12.97	12.97
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.97	21.00	1.00	1.00
##000000	12.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CA26

Deuteranopia (green-blind)

#E3CC4C

Tritanopia (blue-blind)

#D1C9B8

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #c5d540;
/* rgb */ color: rgb(197, 213, 64);
/* oklch */ color: oklch(83.4% 0.168 115.5);

Tailwind

colors: {
  custom: {
    50: '#dae17e',
    500: '#c5d540',
    950: '#000000',
  },
}

SCSS

$custom: #c5d540;
$custom-light: #dae17e;
$custom-dark: #000000;

JSON

{
  "hex": "#c5d540",
  "rgb": {
    "r": 197,
    "g": 213,
    "b": 64
  },
  "hsl": {
    "h": 66.443,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.83445,
    "c": 0.1675,
    "h": 115.5
  },
  "luminance": 0.59829
}

Semantic roles & 50–950 ramp

primary

#C5D540

secondary

#3C3386

accent

#41E753

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#15150B

muted

#84847E

Preview Lab

Preview with #C5D540

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

Preview Lab → · Contrast checker → · Palette generator →