#C3EF59#C3EF59

#C3EF59 is a very light, vivid yellow-green. Relative luminance 0.741; OKLCH L 89.3% C 0.181 H 124.0°. Best body text is #000000 at 15.81:1 contrast (WCAG AA passes).

Color values

HEX	#C3EF59
RGB	rgb(195, 239, 89)
HSL	hsl(78, 82%, 64%)
HSV	hsv(78, 63%, 94%)
CMYK	cmyk(18.4%, 0%, 62.8%, 6.3%)
CIE-LAB	lab(88.95, -35.27, 65.69)
CIE-LCH	lch(88.95, 74.56, 118.23°)
OKLab	oklab(89.27% -0.1013 0.1503)
OKLCH	oklch(89.27% 0.181 124)
XYZ	xyz(55.1757, 74.0560, 20.8367)
Luminance	0.7406 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C3EF59 #8559EF

analogous

#EFD059 #C3EF59 #78EF59

triadic

#C3EF59 #59C3EF #EF59C3

tetradic

#C3EF59 #59EFD0 #8559EF #EF5978

square

#C3EF59 #59EFD0 #8559EF #EF5978

split-complementary

#C3EF59 #5978EF #D059EF

monochromatic

#8ABC12 #AFEA21 #C3EF59 #D7F491 #EBFAC9

Accessibility & contrast

On white

1.33

#C3EF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.81

#C3EF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C3EF59

15.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C3EF59	#FFFFFF	#000000	##000000
##C3EF59	1.00	1.33	15.81	15.81
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.81	21.00	1.00	1.00
##000000	15.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE146

Deuteranopia (green-blind)

#F6DF64

Tritanopia (blue-blind)

#CCE4D0

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c3ef59;
/* rgb */ color: rgb(195, 239, 89);
/* oklch */ color: oklch(89.3% 0.181 124.0);

Tailwind

colors: {
  custom: {
    50: '#d8f48e',
    500: '#c3ef59',
    950: '#000000',
  },
}

SCSS

$custom: #c3ef59;
$custom-light: #d8f48e;
$custom-dark: #000000;

JSON

{
  "hex": "#c3ef59",
  "rgb": {
    "r": 195,
    "g": 239,
    "b": 89
  },
  "hsl": {
    "h": 77.6,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.89266,
    "c": 0.18125,
    "h": 124
  },
  "luminance": 0.74056
}

Semantic roles & 50–950 ramp

primary

#C3EF59

secondary

#5A32BA

accent

#07DF46

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C3EF59

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

Preview Lab → · Contrast checker → · Palette generator →