#C5F978#C5F978

#C5F978 is a very light, vivid yellow-green. Relative luminance 0.810; OKLCH L 92.0% C 0.167 H 127.6°. Best body text is #000000 at 17.20:1 contrast (WCAG AA passes).

Color values

HEX	#C5F978
RGB	rgb(197, 249, 120)
HSL	hsl(84, 91%, 72%)
HSV	hsv(84, 52%, 98%)
CMYK	cmyk(20.9%, 0%, 51.8%, 2.4%)
CIE-LAB	lab(92.12, -36.43, 55.96)
CIE-LCH	lch(92.12, 66.77, 123.06°)
OKLab	oklab(91.95% -0.102 0.1326)
OKLCH	oklch(91.95% 0.167 127.6)
XYZ	xyz(60.2915, 80.9768, 30.2193)
Luminance	0.8098 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5F978 #AC78F9

analogous

#F9EC78 #C5F978 #85F978

triadic

#C5F978 #78C5F9 #F978C5

tetradic

#C5F978 #78F9EC #AC78F9 #F97885

square

#C5F978 #78F9EC #AC78F9 #F97885

split-complementary

#C5F978 #7885F9 #EC78F9

monochromatic

#91EC0A #ACF63D #C5F978 #DEFCB3 #F2FEE2

Accessibility & contrast

On white

1.22

#C5F978 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.20

#C5F978 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5F978

17.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5F978	#FFFFFF	#000000	##000000
##C5F978	1.00	1.22	17.20	17.20
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.20	21.00	1.00	1.00
##000000	17.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB6C

Deuteranopia (green-blind)

#FCE780

Tritanopia (blue-blind)

#CBEFDC

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #c5f978;
/* rgb */ color: rgb(197, 249, 120);
/* oklch */ color: oklch(92.0% 0.167 127.6);

Tailwind

colors: {
  custom: {
    50: '#d9fba2',
    500: '#c5f978',
    950: '#000000',
  },
}

SCSS

$custom: #c5f978;
$custom-light: #d9fba2;
$custom-dark: #000000;

JSON

{
  "hex": "#c5f978",
  "rgb": {
    "r": 197,
    "g": 249,
    "b": 120
  },
  "hsl": {
    "h": 84.186,
    "s": 91.489,
    "l": 72.353
  },
  "oklch": {
    "l": 0.91952,
    "c": 0.16728,
    "h": 127.6
  },
  "luminance": 0.80978
}

Semantic roles & 50–950 ramp

primary

#C5F978

secondary

#7C40D5

accent

#00E65D

background

#FEFFFC

surface

#FCFFF6

border

#D5D7D0

text

#15170F

muted

#848580

Preview Lab

Preview with #C5F978

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

Preview Lab → · Contrast checker → · Palette generator →