#C5DD59#C5DD59

#C5DD59 is a very light, vivid yellow-green. Relative luminance 0.643; OKLCH L 85.4% C 0.159 H 118.6°. Best body text is #000000 at 13.86:1 contrast (WCAG AA passes).

Color values

HEX	#C5DD59
RGB	rgb(197, 221, 89)
HSL	hsl(71, 66%, 61%)
HSV	hsv(71, 60%, 87%)
CMYK	cmyk(10.9%, 0%, 59.7%, 13.3%)
CIE-LAB	lab(84.12, -26.10, 60.49)
CIE-LCH	lch(84.12, 65.88, 113.34°)
OKLab	oklab(85.41% -0.0759 0.1393)
OKLCH	oklch(85.41% 0.159 118.6)
XYZ	xyz(50.6864, 64.3049, 19.1911)
Luminance	0.6430 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5DD59 #7159DD

analogous

#DDB359 #C5DD59 #83DD59

triadic

#C5DD59 #59C5DD #DD59C5

tetradic

#C5DD59 #59DDB3 #7159DD #DD5983

square

#C5DD59 #59DDB3 #7159DD #DD5983

split-complementary

#C5DD59 #5983DD #B359DD

monochromatic

#859C20 #B1CF2A #C5DD59 #D7E78C #E8F2BF

Accessibility & contrast

On white

1.52

#C5DD59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.86

#C5DD59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5DD59

13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5DD59	#FFFFFF	#000000	##000000
##C5DD59	1.00	1.52	13.86	13.86
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.86	21.00	1.00	1.00
##000000	13.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD24A

Deuteranopia (green-blind)

#E8D262

Tritanopia (blue-blind)

#D0D2C1

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #c5dd59;
/* rgb */ color: rgb(197, 221, 89);
/* oklch */ color: oklch(85.4% 0.159 118.6);

Tailwind

colors: {
  custom: {
    50: '#d9e78d',
    500: '#c5dd59',
    950: '#000000',
  },
}

SCSS

$custom: #c5dd59;
$custom-light: #d9e78d;
$custom-dark: #000000;

JSON

{
  "hex": "#c5dd59",
  "rgb": {
    "r": 197,
    "g": 221,
    "b": 89
  },
  "hsl": {
    "h": 70.909,
    "s": 66,
    "l": 60.784
  },
  "oklch": {
    "l": 0.85414,
    "c": 0.1586,
    "h": 118.6
  },
  "luminance": 0.64304
}

Semantic roles & 50–950 ramp

primary

#C5DD59

secondary

#4D3BA0

accent

#18CE39

background

#FEFEFC

surface

#FCFCF4

border

#D5D5CE

text

#15160C

muted

#84847F

Preview Lab

Preview with #C5DD59

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

Preview Lab → · Contrast checker → · Palette generator →