#C5F359#C5F359

#C5F359 is a very light, vivid yellow-green. Relative luminance 0.767; OKLCH L 90.3% C 0.185 H 124.3°. Best body text is #000000 at 16.34:1 contrast (WCAG AA passes).

Color values

HEX	#C5F359
RGB	rgb(197, 243, 89)
HSL	hsl(78, 87%, 65%)
HSV	hsv(78, 63%, 95%)
CMYK	cmyk(18.9%, 0%, 63.4%, 4.7%)
CIE-LAB	lab(90.18, -36.32, 67.05)
CIE-LCH	lch(90.18, 76.25, 118.44°)
OKLab	oklab(90.29% -0.1043 0.1531)
OKLCH	oklch(90.29% 0.185 124.3)
XYZ	xyz(56.8801, 76.6923, 21.2557)
Luminance	0.7669 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5F359 #8759F3

analogous

#F3D459 #C5F359 #78F359

triadic

#C5F359 #59C5F3 #F359C5

tetradic

#C5F359 #59F3D4 #8759F3 #F35978

square

#C5F359 #59F3D4 #8759F3 #F35978

split-complementary

#C5F359 #5978F3 #D459F3

monochromatic

#8DC30E #B1EF20 #C5F359 #D9F792 #EDFBCB

Accessibility & contrast

On white

1.29

#C5F359 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.34

#C5F359 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5F359

16.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5F359	#FFFFFF	#000000	##000000
##C5F359	1.00	1.29	16.34	16.34
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.34	21.00	1.00	1.00
##000000	16.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE445

Deuteranopia (green-blind)

#FAE264

Tritanopia (blue-blind)

#CEE8D3

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #c5f359;
/* rgb */ color: rgb(197, 243, 89);
/* oklch */ color: oklch(90.3% 0.185 124.3);

Tailwind

colors: {
  custom: {
    50: '#daf78f',
    500: '#c5f359',
    950: '#000000',
  },
}

SCSS

$custom: #c5f359;
$custom-light: #daf78f;
$custom-dark: #000000;

JSON

{
  "hex": "#c5f359",
  "rgb": {
    "r": 197,
    "g": 243,
    "b": 89
  },
  "hsl": {
    "h": 77.922,
    "s": 86.517,
    "l": 65.098
  },
  "oklch": {
    "l": 0.90292,
    "c": 0.18529,
    "h": 124.3
  },
  "luminance": 0.76693
}

Semantic roles & 50–950 ramp

primary

#C5F359

secondary

#5B2FC1

accent

#02E346

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C5F359

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

Preview Lab → · Contrast checker → · Palette generator →