#C5EF61#C5EF61

#C5EF61 is a very light, vivid yellow-green. Relative luminance 0.745; OKLCH L 89.5% C 0.174 H 123.8°. Best body text is #000000 at 15.89:1 contrast (WCAG AA passes).

Color values

HEX	#C5EF61
RGB	rgb(197, 239, 97)
HSL	hsl(78, 82%, 66%)
HSV	hsv(78, 59%, 94%)
CMYK	cmyk(17.6%, 0%, 59.4%, 6.3%)
CIE-LAB	lab(89.14, -33.91, 62.64)
CIE-LCH	lch(89.14, 71.23, 118.43°)
OKLab	oklab(89.48% -0.0969 0.1448)
OKLCH	oklch(89.48% 0.174 123.8)
XYZ	xyz(56.0505, 74.4660, 22.7274)
Luminance	0.7447 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5EF61 #8B61EF

analogous

#EFD261 #C5EF61 #7EEF61

triadic

#C5EF61 #61C5EF #EF61C5

tetradic

#C5EF61 #61EFD2 #8B61EF #EF617E

square

#C5EF61 #61EFD2 #8B61EF #EF617E

split-complementary

#C5EF61 #617EEF #D261EF

monochromatic

#8EC214 #B1E929 #C5EF61 #D9F599 #EEFAD0

Accessibility & contrast

On white

1.32

#C5EF61 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.89

#C5EF61 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5EF61

15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5EF61	#FFFFFF	#000000	##000000
##C5EF61	1.00	1.32	15.89	15.89
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.89	21.00	1.00	1.00
##000000	15.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE151

Deuteranopia (green-blind)

#F6E06B

Tritanopia (blue-blind)

#CDE4D1

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #c5ef61;
/* rgb */ color: rgb(197, 239, 97);
/* oklch */ color: oklch(89.5% 0.174 123.8);

Tailwind

colors: {
  custom: {
    50: '#d9f493',
    500: '#c5ef61',
    950: '#000000',
  },
}

SCSS

$custom: #c5ef61;
$custom-light: #d9f493;
$custom-dark: #000000;

JSON

{
  "hex": "#c5ef61",
  "rgb": {
    "r": 197,
    "g": 239,
    "b": 97
  },
  "hsl": {
    "h": 77.746,
    "s": 81.609,
    "l": 65.882
  },
  "oklch": {
    "l": 0.89476,
    "c": 0.17421,
    "h": 123.8
  },
  "luminance": 0.74466
}

Semantic roles & 50–950 ramp

primary

#C5EF61

secondary

#5E34C0

accent

#08DE47

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C5EF61

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

Preview Lab → · Contrast checker → · Palette generator →