#C5E558#C5E558

#C5E558 is a very light, vivid yellow-green. Relative luminance 0.686; OKLCH L 87.2% C 0.169 H 120.9°. Best body text is #000000 at 14.72:1 contrast (WCAG AA passes).

Color values

HEX	#C5E558
RGB	rgb(197, 229, 88)
HSL	hsl(74, 73%, 62%)
HSV	hsv(74, 62%, 90%)
CMYK	cmyk(14%, 0%, 61.6%, 10.2%)
CIE-LAB	lab(86.31, -29.96, 63.30)
CIE-LCH	lch(86.31, 70.03, 115.33°)
OKLab	oklab(87.17% -0.0867 0.1451)
OKLCH	oklch(87.17% 0.169 120.9)
XYZ	xyz(52.8074, 68.6136, 19.6924)
Luminance	0.6861 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5E558 #7858E5

analogous

#E5BF58 #C5E558 #7FE558

triadic

#C5E558 #58C5E5 #E558C5

tetradic

#C5E558 #58E5BF #7858E5 #E5587F

square

#C5E558 #58E5BF #7858E5 #E5587F

split-complementary

#C5E558 #587FE5 #BF58E5

monochromatic

#88A81A #B3DD23 #C5E558 #D7ED8D #EAF5C2

Accessibility & contrast

On white

1.43

#C5E558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.72

#C5E558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5E558

14.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5E558	#FFFFFF	#000000	##000000
##C5E558	1.00	1.43	14.72	14.72
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.72	21.00	1.00	1.00
##000000	14.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D847

Deuteranopia (green-blind)

#EED862

Tritanopia (blue-blind)

#CFDAC7

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #c5e558;
/* rgb */ color: rgb(197, 229, 88);
/* oklch */ color: oklch(87.2% 0.169 120.9);

Tailwind

colors: {
  custom: {
    50: '#d9ed8d',
    500: '#c5e558',
    950: '#000000',
  },
}

SCSS

$custom: #c5e558;
$custom-light: #d9ed8d;
$custom-dark: #000000;

JSON

{
  "hex": "#c5e558",
  "rgb": {
    "r": 197,
    "g": 229,
    "b": 88
  },
  "hsl": {
    "h": 73.617,
    "s": 73.057,
    "l": 62.157
  },
  "oklch": {
    "l": 0.87171,
    "c": 0.16903,
    "h": 120.9
  },
  "luminance": 0.68614
}

Semantic roles & 50–950 ramp

primary

#C5E558

secondary

#5137AA

accent

#10D53D

background

#FEFEFC

surface

#FCFDF4

border

#D5D5CE

text

#15160D

muted

#84847F

Preview Lab

Preview with #C5E558

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

Preview Lab → · Contrast checker → · Palette generator →