#C4EF58#C4EF58

#C4EF58 is a very light, vivid yellow-green. Relative luminance 0.742; OKLCH L 89.3% C 0.182 H 123.6°. Best body text is #000000 at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#C4EF58
RGB	rgb(196, 239, 88)
HSL	hsl(77, 83%, 64%)
HSV	hsv(77, 63%, 94%)
CMYK	cmyk(18%, 0%, 63.2%, 6.3%)
CIE-LAB	lab(89.00, -34.96, 66.17)
CIE-LCH	lch(89.00, 74.84, 117.85°)
OKLab	oklab(89.32% -0.1006 0.1512)
OKLCH	oklch(89.32% 0.182 123.6)
XYZ	xyz(55.3933, 74.1730, 20.6292)
Luminance	0.7417 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4EF58 #8358EF

analogous

#EFCF58 #C4EF58 #79EF58

triadic

#C4EF58 #58C4EF #EF58C4

tetradic

#C4EF58 #58EFCF #8358EF #EF5879

square

#C4EF58 #58EFCF #8358EF #EF5879

split-complementary

#C4EF58 #5879EF #CF58EF

monochromatic

#8BBB12 #B0EA20 #C4EF58 #D8F490 #EBFAC8

Accessibility & contrast

On white

1.33

#C4EF58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.83

#C4EF58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4EF58

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4EF58	#FFFFFF	#000000	##000000
##C4EF58	1.00	1.33	15.83	15.83
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.83	21.00	1.00	1.00
##000000	15.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE145

Deuteranopia (green-blind)

#F6DF63

Tritanopia (blue-blind)

#CDE4D0

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #c4ef58;
/* rgb */ color: rgb(196, 239, 88);
/* oklch */ color: oklch(89.3% 0.182 123.6);

Tailwind

colors: {
  custom: {
    50: '#d9f48e',
    500: '#c4ef58',
    950: '#000000',
  },
}

SCSS

$custom: #c4ef58;
$custom-light: #d9f48e;
$custom-dark: #000000;

JSON

{
  "hex": "#c4ef58",
  "rgb": {
    "r": 196,
    "g": 239,
    "b": 88
  },
  "hsl": {
    "h": 77.086,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.89324,
    "c": 0.18158,
    "h": 123.6
  },
  "luminance": 0.74173
}

Semantic roles & 50–950 ramp

primary

#C4EF58

secondary

#5832BA

accent

#07DF44

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C4EF58

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

Preview Lab → · Contrast checker → · Palette generator →