#C5EF4F#C5EF4F

#C5EF4F is a very light, vivid yellow-green. Relative luminance 0.742; OKLCH L 89.3% C 0.188 H 123.0°. Best body text is #000000 at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#C5EF4F
RGB	rgb(197, 239, 79)
HSL	hsl(76, 83%, 62%)
HSV	hsv(76, 67%, 94%)
CMYK	cmyk(17.6%, 0%, 66.9%, 6.3%)
CIE-LAB	lab(89.00, -35.17, 69.67)
CIE-LCH	lch(89.00, 78.05, 116.78°)
OKLab	oklab(89.32% -0.102 0.1573)
OKLCH	oklch(89.32% 0.188 123)
XYZ	xyz(55.3043, 74.1676, 18.7978)
Luminance	0.7417 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5EF4F #794FEF

analogous

#EFC94F #C5EF4F #75EF4F

triadic

#C5EF4F #4FC5EF #EF4FC5

tetradic

#C5EF4F #4FEFC9 #794FEF #EF4F75

square

#C5EF4F #4FEFC9 #794FEF #EF4F75

split-complementary

#C5EF4F #4F75EF #C94FEF

monochromatic

#89B310 #B3EA17 #C5EF4F #D7F487 #EAF9BF

Accessibility & contrast

On white

1.33

#C5EF4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.83

#C5EF4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5EF4F

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5EF4F	#FFFFFF	#000000	##000000
##C5EF4F	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)

#FCE137

Deuteranopia (green-blind)

#F7DF5C

Tritanopia (blue-blind)

#CFE3CF

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #c5ef4f;
/* rgb */ color: rgb(197, 239, 79);
/* oklch */ color: oklch(89.3% 0.188 123.0);

Tailwind

colors: {
  custom: {
    50: '#daf489',
    500: '#c5ef4f',
    950: '#000000',
  },
}

SCSS

$custom: #c5ef4f;
$custom-light: #daf489;
$custom-dark: #000000;

JSON

{
  "hex": "#c5ef4f",
  "rgb": {
    "r": 197,
    "g": 239,
    "b": 79
  },
  "hsl": {
    "h": 75.75,
    "s": 83.333,
    "l": 62.353
  },
  "oklch": {
    "l": 0.89317,
    "c": 0.1875,
    "h": 123
  },
  "luminance": 0.74168
}

Semantic roles & 50–950 ramp

primary

#C5EF4F

secondary

#522FB3

accent

#06E03F

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170C

muted

#84857F

Preview Lab

Preview with #C5EF4F

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

Preview Lab → · Contrast checker → · Palette generator →