#C4F259#C4F259

#C4F259 is a very light, vivid yellow-green. Relative luminance 0.760; OKLCH L 90.0% C 0.184 H 124.3°. Best body text is #000000 at 16.19:1 contrast (WCAG AA passes).

Color values

HEX	#C4F259
RGB	rgb(196, 242, 89)
HSL	hsl(78, 85%, 65%)
HSV	hsv(78, 63%, 95%)
CMYK	cmyk(19%, 0%, 63.2%, 5.1%)
CIE-LAB	lab(89.84, -36.25, 66.67)
CIE-LCH	lch(89.84, 75.88, 118.53°)
OKLab	oklab(90% -0.1041 0.1524)
OKLCH	oklch(90% 0.185 124.3)
XYZ	xyz(56.3206, 75.9608, 21.1440)
Luminance	0.7596 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4F259 #8759F2

analogous

#F2D359 #C4F259 #78F259

triadic

#C4F259 #59C4F2 #F259C4

tetradic

#C4F259 #59F2D3 #8759F2 #F25978

square

#C4F259 #59F2D3 #8759F2 #F25978

split-complementary

#C4F259 #5978F2 #D359F2

monochromatic

#8CC10F #B0EE20 #C4F259 #D8F692 #ECFBCB

Accessibility & contrast

On white

1.30

#C4F259 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.19

#C4F259 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4F259

16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4F259	#FFFFFF	#000000	##000000
##C4F259	1.00	1.30	16.19	16.19
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.19	21.00	1.00	1.00
##000000	16.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE345

Deuteranopia (green-blind)

#F9E164

Tritanopia (blue-blind)

#CCE7D2

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #c4f259;
/* rgb */ color: rgb(196, 242, 89);
/* oklch */ color: oklch(90.0% 0.184 124.3);

Tailwind

colors: {
  custom: {
    50: '#d9f68e',
    500: '#c4f259',
    950: '#000000',
  },
}

SCSS

$custom: #c4f259;
$custom-light: #d9f68e;
$custom-dark: #000000;

JSON

{
  "hex": "#c4f259",
  "rgb": {
    "r": 196,
    "g": 242,
    "b": 89
  },
  "hsl": {
    "h": 78.039,
    "s": 85.475,
    "l": 64.902
  },
  "oklch": {
    "l": 0.90002,
    "c": 0.1845,
    "h": 124.3
  },
  "luminance": 0.75961
}

Semantic roles & 50–950 ramp

primary

#C4F259

secondary

#5B30BF

accent

#04E246

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C4F259

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

Preview Lab → · Contrast checker → · Palette generator →