#C5F257#C5F257

#C5F257 is a very light, vivid yellow-green. Relative luminance 0.761; OKLCH L 90.1% C 0.186 H 124.0°. Best body text is #000000 at 16.21:1 contrast (WCAG AA passes).

Color values

HEX	#C5F257
RGB	rgb(197, 242, 87)
HSL	hsl(77, 86%, 65%)
HSV	hsv(77, 64%, 95%)
CMYK	cmyk(18.6%, 0%, 64%, 5.1%)
CIE-LAB	lab(89.89, -36.01, 67.53)
CIE-LCH	lch(89.89, 76.53, 118.07°)
OKLab	oklab(90.05% -0.1036 0.1539)
OKLCH	oklch(90.05% 0.186 124)
XYZ	xyz(56.4988, 76.0623, 20.7199)
Luminance	0.7606 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5F257 #8457F2

analogous

#F2D157 #C5F257 #78F257

triadic

#C5F257 #57C5F2 #F257C5

tetradic

#C5F257 #57F2D1 #8457F2 #F25778

square

#C5F257 #57F2D1 #8457F2 #F25778

split-complementary

#C5F257 #5778F2 #D157F2

monochromatic

#8CC00F #B1EE1E #C5F257 #D9F690 #ECFBC9

Accessibility & contrast

On white

1.30

#C5F257 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.21

#C5F257 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5F257

16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5F257	#FFFFFF	#000000	##000000
##C5F257	1.00	1.30	16.21	16.21
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.21	21.00	1.00	1.00
##000000	16.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE343

Deuteranopia (green-blind)

#F9E263

Tritanopia (blue-blind)

#CEE7D2

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #c5f257;
/* rgb */ color: rgb(197, 242, 87);
/* oklch */ color: oklch(90.1% 0.186 124.0);

Tailwind

colors: {
  custom: {
    50: '#daf68d',
    500: '#c5f257',
    950: '#000000',
  },
}

SCSS

$custom: #c5f257;
$custom-light: #daf68d;
$custom-dark: #000000;

JSON

{
  "hex": "#c5f257",
  "rgb": {
    "r": 197,
    "g": 242,
    "b": 87
  },
  "hsl": {
    "h": 77.419,
    "s": 85.635,
    "l": 64.51
  },
  "oklch": {
    "l": 0.90051,
    "c": 0.18553,
    "h": 124
  },
  "luminance": 0.76063
}

Semantic roles & 50–950 ramp

primary

#C5F257

secondary

#5930BE

accent

#03E244

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C5F257

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

Preview Lab → · Contrast checker → · Palette generator →