#C5F181#C5F181

#C5F181 is a very light, vivid yellow-green. Relative luminance 0.764; OKLCH L 90.3% C 0.148 H 126.8°. Best body text is #000000 at 16.27:1 contrast (WCAG AA passes).

Color values

HEX	#C5F181
RGB	rgb(197, 241, 129)
HSL	hsl(84, 80%, 73%)
HSV	hsv(84, 46%, 95%)
CMYK	cmyk(18.3%, 0%, 46.5%, 5.5%)
CIE-LAB	lab(90.03, -31.84, 49.25)
CIE-LCH	lch(90.03, 58.65, 122.89°)
OKLab	oklab(90.3% -0.0885 0.1185)
OKLCH	oklch(90.3% 0.148 126.8)
XYZ	xyz(58.4434, 76.3652, 32.4255)
Luminance	0.7637 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5F181 #AD81F1

analogous

#F1E581 #C5F181 #8DF181

triadic

#C5F181 #81C5F1 #F181C5

tetradic

#C5F181 #81F1E5 #AD81F1 #F1818D

square

#C5F181 #81F1E5 #AD81F1 #F1818D

split-complementary

#C5F181 #818DF1 #E581F1

monochromatic

#91DF19 #ACEB4A #C5F181 #DEF7B8 #F2FCE3

Accessibility & contrast

On white

1.29

#C5F181 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.27

#C5F181 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5F181

16.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5F181	#FFFFFF	#000000	##000000
##C5F181	1.00	1.29	16.27	16.27
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.27	21.00	1.00	1.00
##000000	16.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE478

Deuteranopia (green-blind)

#F5E287

Tritanopia (blue-blind)

#CBE8D7

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #c5f181;
/* rgb */ color: rgb(197, 241, 129);
/* oklch */ color: oklch(90.3% 0.148 126.8);

Tailwind

colors: {
  custom: {
    50: '#d8f5a7',
    500: '#c5f181',
    950: '#000000',
  },
}

SCSS

$custom: #c5f181;
$custom-light: #d8f5a7;
$custom-dark: #000000;

JSON

{
  "hex": "#c5f181",
  "rgb": {
    "r": 197,
    "g": 241,
    "b": 129
  },
  "hsl": {
    "h": 83.571,
    "s": 80,
    "l": 72.549
  },
  "oklch": {
    "l": 0.90299,
    "c": 0.14788,
    "h": 126.8
  },
  "luminance": 0.76366
}

Semantic roles & 50–950 ramp

primary

#C5F181

secondary

#7D4ACC

accent

#09DC5C

background

#FEFFFC

surface

#FCFEF6

border

#D5D6D0

text

#151710

muted

#848580

Preview Lab

Preview with #C5F181

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

Preview Lab → · Contrast checker → · Palette generator →