#C5EF4E#C5EF4E

#C5EF4E is a very light, vivid yellow-green. Relative luminance 0.742; OKLCH L 89.3% C 0.188 H 122.9°. Best body text is #000000 at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#C5EF4E
RGB	rgb(197, 239, 78)
HSL	hsl(76, 83%, 62%)
HSV	hsv(76, 67%, 94%)
CMYK	cmyk(17.6%, 0%, 67.4%, 6.3%)
CIE-LAB	lab(88.99, -35.23, 70.04)
CIE-LCH	lch(88.99, 78.40, 116.70°)
OKLab	oklab(89.31% -0.1023 0.1579)
OKLCH	oklch(89.31% 0.188 122.9)
XYZ	xyz(55.2682, 74.1531, 18.6076)
Luminance	0.7415 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5EF4E #784EEF

analogous

#EFC84E #C5EF4E #75EF4E

triadic

#C5EF4E #4EC5EF #EF4EC5

tetradic

#C5EF4E #4EEFC8 #784EEF #EF4E75

square

#C5EF4E #4EEFC8 #784EEF #EF4E75

split-complementary

#C5EF4E #4E75EF #C84EEF

monochromatic

#88B210 #B3EA16 #C5EF4E #D7F486 #EAF9BE

Accessibility & contrast

On white

1.33

#C5EF4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.83

#C5EF4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5EF4E

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5EF4E	#FFFFFF	#000000	##000000
##C5EF4E	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)

#FDE136

Deuteranopia (green-blind)

#F7DF5B

Tritanopia (blue-blind)

#CFE3CF

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c5ef4e;
/* rgb */ color: rgb(197, 239, 78);
/* oklch */ color: oklch(89.3% 0.188 122.9);

Tailwind

colors: {
  custom: {
    50: '#daf488',
    500: '#c5ef4e',
    950: '#000000',
  },
}

SCSS

$custom: #c5ef4e;
$custom-light: #daf488;
$custom-dark: #000000;

JSON

{
  "hex": "#c5ef4e",
  "rgb": {
    "r": 197,
    "g": 239,
    "b": 78
  },
  "hsl": {
    "h": 75.652,
    "s": 83.42,
    "l": 62.157
  },
  "oklch": {
    "l": 0.89309,
    "c": 0.18816,
    "h": 122.9
  },
  "luminance": 0.74153
}

Semantic roles & 50–950 ramp

primary

#C5EF4E

secondary

#512FB2

accent

#06E03F

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170C

muted

#84857F

Preview Lab

Preview with #C5EF4E

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

Preview Lab → · Contrast checker → · Palette generator →