#C5D23B#C5D23B

#C5D23B is a very light, vivid yellow. Relative luminance 0.583; OKLCH L 82.8% C 0.167 H 114.4°. Best body text is #000000 at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#C5D23B
RGB	rgb(197, 210, 59)
HSL	hsl(65, 63%, 53%)
HSV	hsv(65, 72%, 82%)
CMYK	cmyk(6.2%, 0%, 71.9%, 17.6%)
CIE-LAB	lab(80.89, -22.64, 68.79)
CIE-LCH	lch(80.89, 72.42, 108.22°)
OKLab	oklab(82.75% -0.0691 0.1524)
OKLCH	oklch(82.75% 0.167 114.4)
XYZ	xyz(46.8633, 58.2802, 12.9173)
Luminance	0.5828 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5D23B #483BD2

analogous

#D2943B #C5D23B #79D23B

triadic

#C5D23B #3BC5D2 #D23BC5

tetradic

#C5D23B #3BD294 #483BD2 #D23B79

square

#C5D23B #3BD294 #483BD2 #D23B79

split-complementary

#C5D23B #3B79D2 #943BD2

monochromatic

#6F771B #9EA927 #C5D23B #D4DD6D #E2E99F

Accessibility & contrast

On white

1.66

#C5D23B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.66

#C5D23B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5D23B

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5D23B	#FFFFFF	#000000	##000000
##C5D23B	1.00	1.66	12.66	12.66
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.66	21.00	1.00	1.00
##000000	12.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C81E

Deuteranopia (green-blind)

#E1CA47

Tritanopia (blue-blind)

#D2C6B5

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #c5d23b;
/* rgb */ color: rgb(197, 210, 59);
/* oklch */ color: oklch(82.8% 0.167 114.4);

Tailwind

colors: {
  custom: {
    50: '#dadf7b',
    500: '#c5d23b',
    950: '#000000',
  },
}

SCSS

$custom: #c5d23b;
$custom-light: #dadf7b;
$custom-dark: #000000;

JSON

{
  "hex": "#c5d23b",
  "rgb": {
    "r": 197,
    "g": 210,
    "b": 59
  },
  "hsl": {
    "h": 65.166,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.82753,
    "c": 0.16728,
    "h": 114.4
  },
  "luminance": 0.58279
}

Semantic roles & 50–950 ramp

primary

#C5D23B

secondary

#38327F

accent

#42E650

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#15150A

muted

#84847D

Preview Lab

Preview with #C5D23B

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

Preview Lab → · Contrast checker → · Palette generator →