#C5F65B#C5F65B

#C5F65B is a very light, vivid yellow-green. Relative luminance 0.785; OKLCH L 91.0% C 0.187 H 125.0°. Best body text is #000000 at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#C5F65B
RGB	rgb(197, 246, 91)
HSL	hsl(79, 90%, 66%)
HSV	hsv(79, 63%, 96%)
CMYK	cmyk(19.9%, 0%, 63%, 3.5%)
CIE-LAB	lab(91.02, -37.53, 67.15)
CIE-LCH	lch(91.02, 76.93, 119.20°)
OKLab	oklab(90.98% -0.1075 0.1536)
OKLCH	oklch(90.98% 0.187 125)
XYZ	xyz(57.8703, 78.5366, 22.0058)
Luminance	0.7854 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5F65B #8C5BF6

analogous

#F6D95B #C5F65B #77F65B

triadic

#C5F65B #5BC5F6 #F65BC5

tetradic

#C5F65B #5BF6D9 #8C5BF6 #F65B77

square

#C5F65B #5BF6D9 #8C5BF6 #F65B77

split-complementary

#C5F65B #5B77F6 #D95BF6

monochromatic

#8FCB0B #B0F321 #C5F65B #DAF995 #EEFCCF

Accessibility & contrast

On white

1.26

#C5F65B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.71

#C5F65B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5F65B

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5F65B	#FFFFFF	#000000	##000000
##C5F65B	1.00	1.26	16.71	16.71
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.71	21.00	1.00	1.00
##000000	16.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE747

Deuteranopia (green-blind)

#FCE567

Tritanopia (blue-blind)

#CDEBD6

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #c5f65b;
/* rgb */ color: rgb(197, 246, 91);
/* oklch */ color: oklch(91.0% 0.187 125.0);

Tailwind

colors: {
  custom: {
    50: '#daf990',
    500: '#c5f65b',
    950: '#000000',
  },
}

SCSS

$custom: #c5f65b;
$custom-light: #daf990;
$custom-dark: #000000;

JSON

{
  "hex": "#c5f65b",
  "rgb": {
    "r": 197,
    "g": 246,
    "b": 91
  },
  "hsl": {
    "h": 78.968,
    "s": 89.595,
    "l": 66.078
  },
  "oklch": {
    "l": 0.90979,
    "c": 0.18748,
    "h": 125
  },
  "luminance": 0.78537
}

Semantic roles & 50–950 ramp

primary

#C5F65B

secondary

#5E2EC7

accent

#00E649

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C5F65B

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

Preview Lab → · Contrast checker → · Palette generator →