#C4FF59#C4FF59

#C4FF59 is a very light, highly saturated yellow-green. Relative luminance 0.840; OKLCH L 92.9% C 0.200 H 126.8°. Best body text is #000000 at 17.80:1 contrast (WCAG AA passes).

Color values

HEX	#C4FF59
RGB	rgb(196, 255, 89)
HSL	hsl(81, 100%, 67%)
HSV	hsv(81, 65%, 100%)
CMYK	cmyk(23.1%, 0%, 65.1%, 0%)
CIE-LAB	lab(93.44, -42.03, 70.48)
CIE-LCH	lch(93.44, 82.06, 120.81°)
OKLab	oklab(92.91% -0.12 0.1604)
OKLCH	oklch(92.91% 0.2 126.8)
XYZ	xyz(60.3282, 83.9760, 22.4799)
Luminance	0.8398 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4FF59 #9459FF

analogous

#FFE759 #C4FF59 #71FF59

triadic

#C4FF59 #59C4FF #FF59C4

tetradic

#C4FF59 #59FFE7 #9459FF #FF5971

square

#C4FF59 #59FFE7 #9459FF #FF5971

split-complementary

#C4FF59 #5971FF #E759FF

monochromatic

#8FDE00 #AEFF1C #C4FF59 #DAFF96 #F0FFD3

Accessibility & contrast

On white

1.18

#C4FF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.80

#C4FF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4FF59

17.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4FF59	#FFFFFF	#000000	##000000
##C4FF59	1.00	1.18	17.80	17.80
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.80	21.00	1.00	1.00
##000000	17.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF42

Deuteranopia (green-blind)

#FFEB66

Tritanopia (blue-blind)

#CBF4DD

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #c4ff59;
/* rgb */ color: rgb(196, 255, 89);
/* oklch */ color: oklch(92.9% 0.200 126.8);

Tailwind

colors: {
  custom: {
    50: '#daff8f',
    500: '#c4ff59',
    950: '#000000',
  },
}

SCSS

$custom: #c4ff59;
$custom-light: #daff8f;
$custom-dark: #000000;

JSON

{
  "hex": "#c4ff59",
  "rgb": {
    "r": 196,
    "g": 255,
    "b": 89
  },
  "hsl": {
    "h": 81.325,
    "s": 100,
    "l": 67.451
  },
  "oklch": {
    "l": 0.92913,
    "c": 0.20032,
    "h": 126.8
  },
  "luminance": 0.83977
}

Semantic roles & 50–950 ramp

primary

#C4FF59

secondary

#6526D6

accent

#00E652

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#15180D

muted

#84867F

Preview Lab

Preview with #C4FF59

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

Preview Lab → · Contrast checker → · Palette generator →