#C5E451#C5E451

#C5E451 is a very light, vivid yellow-green. Relative luminance 0.680; OKLCH L 86.9% C 0.173 H 120.3°. Best body text is #000000 at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#C5E451
RGB	rgb(197, 228, 81)
HSL	hsl(73, 73%, 61%)
HSV	hsv(73, 64%, 89%)
CMYK	cmyk(13.6%, 0%, 64.5%, 10.6%)
CIE-LAB	lab(85.98, -29.97, 65.77)
CIE-LCH	lch(85.98, 72.28, 114.50°)
OKLab	oklab(86.89% -0.0874 0.1494)
OKLCH	oklch(86.89% 0.173 120.3)
XYZ	xyz(52.2553, 67.9514, 18.1460)
Luminance	0.6795 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5E451 #7051E4

analogous

#E4B951 #C5E451 #7BE451

triadic

#C5E451 #51C5E4 #E451C5

tetradic

#C5E451 #51E4B9 #7051E4 #E4517B

square

#C5E451 #51E4B9 #7051E4 #E4517B

split-complementary

#C5E451 #517BE4 #B951E4

monochromatic

#85A219 #B0D721 #C5E451 #D7EC86 #E8F4BB

Accessibility & contrast

On white

1.44

#C5E451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.59

#C5E451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5E451

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5E451	#FFFFFF	#000000	##000000
##C5E451	1.00	1.44	14.59	14.59
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.59	21.00	1.00	1.00
##000000	14.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D73D

Deuteranopia (green-blind)

#EED75C

Tritanopia (blue-blind)

#CFD9C6

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #c5e451;
/* rgb */ color: rgb(197, 228, 81);
/* oklch */ color: oklch(86.9% 0.173 120.3);

Tailwind

colors: {
  custom: {
    50: '#daec89',
    500: '#c5e451',
    950: '#000000',
  },
}

SCSS

$custom: #c5e451;
$custom-light: #daec89;
$custom-dark: #000000;

JSON

{
  "hex": "#c5e451",
  "rgb": {
    "r": 197,
    "g": 228,
    "b": 81
  },
  "hsl": {
    "h": 72.653,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.86888,
    "c": 0.17309,
    "h": 120.3
  },
  "luminance": 0.67951
}

Semantic roles & 50–950 ramp

primary

#C5E451

secondary

#4C35A4

accent

#10D53A

background

#FEFEFC

surface

#FCFDF4

border

#D5D5CE

text

#15160C

muted

#84847F

Preview Lab

Preview with #C5E451

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

Preview Lab → · Contrast checker → · Palette generator →