#C5F259#C5F259

#C5F259 is a very light, vivid yellow-green. Relative luminance 0.761; OKLCH L 90.1% C 0.184 H 124.1°. Best body text is #000000 at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#C5F259
RGB	rgb(197, 242, 89)
HSL	hsl(78, 85%, 65%)
HSV	hsv(78, 63%, 95%)
CMYK	cmyk(18.6%, 0%, 63.2%, 5.1%)
CIE-LAB	lab(89.90, -35.87, 66.75)
CIE-LCH	lch(89.90, 75.78, 118.25°)
OKLab	oklab(90.07% -0.1031 0.1525)
OKLCH	oklch(90.07% 0.184 124.1)
XYZ	xyz(56.5817, 76.0954, 21.1562)
Luminance	0.7610 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5F259 #8659F2

analogous

#F2D259 #C5F259 #79F259

triadic

#C5F259 #59C5F2 #F259C5

tetradic

#C5F259 #59F2D2 #8659F2 #F25979

square

#C5F259 #59F2D2 #8659F2 #F25979

split-complementary

#C5F259 #5979F2 #D259F2

monochromatic

#8DC10F #B1EE20 #C5F259 #D9F692 #EDFBCB

Accessibility & contrast

On white

1.29

#C5F259 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.22

#C5F259 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5F259

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5F259	#FFFFFF	#000000	##000000
##C5F259	1.00	1.29	16.22	16.22
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.22	21.00	1.00	1.00
##000000	16.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE445

Deuteranopia (green-blind)

#F9E264

Tritanopia (blue-blind)

#CEE7D2

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #c5f259;
/* rgb */ color: rgb(197, 242, 89);
/* oklch */ color: oklch(90.1% 0.184 124.1);

Tailwind

colors: {
  custom: {
    50: '#daf68e',
    500: '#c5f259',
    950: '#000000',
  },
}

SCSS

$custom: #c5f259;
$custom-light: #daf68e;
$custom-dark: #000000;

JSON

{
  "hex": "#c5f259",
  "rgb": {
    "r": 197,
    "g": 242,
    "b": 89
  },
  "hsl": {
    "h": 77.647,
    "s": 85.475,
    "l": 64.902
  },
  "oklch": {
    "l": 0.90069,
    "c": 0.18407,
    "h": 124.1
  },
  "luminance": 0.76096
}

Semantic roles & 50–950 ramp

primary

#C5F259

secondary

#5A30BF

accent

#04E245

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C5F259

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

Preview Lab → · Contrast checker → · Palette generator →