#C4EF4F#C4EF4F

#C4EF4F is a very light, vivid yellow-green. Relative luminance 0.740; OKLCH L 89.2% C 0.188 H 123.2°. Best body text is #000000 at 15.81:1 contrast (WCAG AA passes).

Color values

HEX	#C4EF4F
RGB	rgb(196, 239, 79)
HSL	hsl(76, 83%, 62%)
HSV	hsv(76, 67%, 94%)
CMYK	cmyk(18%, 0%, 66.9%, 6.3%)
CIE-LAB	lab(88.94, -35.55, 69.59)
CIE-LCH	lch(88.94, 78.14, 117.06°)
OKLab	oklab(89.25% -0.103 0.1572)
OKLCH	oklch(89.25% 0.188 123.2)
XYZ	xyz(55.0433, 74.0330, 18.7856)
Luminance	0.7403 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4EF4F #7A4FEF

analogous

#EFCA4F #C4EF4F #74EF4F

triadic

#C4EF4F #4FC4EF #EF4FC4

tetradic

#C4EF4F #4FEFCA #7A4FEF #EF4F74

square

#C4EF4F #4FEFCA #7A4FEF #EF4F74

split-complementary

#C4EF4F #4F74EF #CA4FEF

monochromatic

#87B310 #B1EA17 #C4EF4F #D7F487 #EAF9BF

Accessibility & contrast

On white

1.33

#C4EF4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.81

#C4EF4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4EF4F

15.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4EF4F	#FFFFFF	#000000	##000000
##C4EF4F	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)

#FCE137

Deuteranopia (green-blind)

#F7DF5C

Tritanopia (blue-blind)

#CDE3CF

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c4ef4f;
/* rgb */ color: rgb(196, 239, 79);
/* oklch */ color: oklch(89.2% 0.188 123.2);

Tailwind

colors: {
  custom: {
    50: '#d9f489',
    500: '#c4ef4f',
    950: '#000000',
  },
}

SCSS

$custom: #c4ef4f;
$custom-light: #d9f489;
$custom-dark: #000000;

JSON

{
  "hex": "#c4ef4f",
  "rgb": {
    "r": 196,
    "g": 239,
    "b": 79
  },
  "hsl": {
    "h": 76.125,
    "s": 83.333,
    "l": 62.353
  },
  "oklch": {
    "l": 0.89249,
    "c": 0.18791,
    "h": 123.2
  },
  "luminance": 0.74033
}

Semantic roles & 50–950 ramp

primary

#C4EF4F

secondary

#532FB3

accent

#06E040

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170C

muted

#84857F

Preview Lab

Preview with #C4EF4F

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

Preview Lab → · Contrast checker → · Palette generator →