#C9EE53#C9EE53

#C9EE53 is a very light, vivid yellow-green. Relative luminance 0.742; OKLCH L 89.4% C 0.182 H 121.7°. Best body text is #000000 at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#C9EE53
RGB	rgb(201, 238, 83)
HSL	hsl(74, 82%, 63%)
HSV	hsv(74, 65%, 93%)
CMYK	cmyk(15.5%, 0%, 65.1%, 6.7%)
CIE-LAB	lab(89.01, -32.92, 68.24)
CIE-LCH	lch(89.01, 75.77, 115.75°)
OKLab	oklab(89.4% -0.0957 0.1548)
OKLCH	oklch(89.4% 0.182 121.7)
XYZ	xyz(56.2240, 74.1911, 19.5403)
Luminance	0.7419 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9EE53 #7853EE

analogous

#EEC653 #C9EE53 #7BEE53

triadic

#C9EE53 #53C9EE #EE53C9

tetradic

#C9EE53 #53EEC6 #7853EE #EE537B

square

#C9EE53 #53EEC6 #7853EE #EE537B

split-complementary

#C9EE53 #537BEE #C653EE

monochromatic

#8EB512 #B8E81B #C9EE53 #DAF48B #ECF9C2

Accessibility & contrast

On white

1.33

#C9EE53 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.84

#C9EE53 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9EE53

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9EE53	#FFFFFF	#000000	##000000
##C9EE53	1.00	1.33	15.84	15.84
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.84	21.00	1.00	1.00
##000000	15.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE03E

Deuteranopia (green-blind)

#F7E05F

Tritanopia (blue-blind)

#D3E2CE

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #c9ee53;
/* rgb */ color: rgb(201, 238, 83);
/* oklch */ color: oklch(89.4% 0.182 121.7);

Tailwind

colors: {
  custom: {
    50: '#ddf38b',
    500: '#c9ee53',
    950: '#000000',
  },
}

SCSS

$custom: #c9ee53;
$custom-light: #ddf38b;
$custom-dark: #000000;

JSON

{
  "hex": "#c9ee53",
  "rgb": {
    "r": 201,
    "g": 238,
    "b": 83
  },
  "hsl": {
    "h": 74.323,
    "s": 82.011,
    "l": 62.941
  },
  "oklch": {
    "l": 0.89401,
    "c": 0.18196,
    "h": 121.7
  },
  "luminance": 0.74191
}

Semantic roles & 50–950 ramp

primary

#C9EE53

secondary

#5031B4

accent

#07DE3A

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170C

muted

#84857F

Preview Lab

Preview with #C9EE53

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

Preview Lab → · Contrast checker → · Palette generator →