#C9F65B#C9F65B

#C9F65B is a very light, vivid yellow-green. Relative luminance 0.791; OKLCH L 91.2% C 0.186 H 123.9°. Best body text is #000000 at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#C9F65B
RGB	rgb(201, 246, 91)
HSL	hsl(77, 90%, 66%)
HSV	hsv(77, 63%, 96%)
CMYK	cmyk(18.3%, 0%, 63%, 3.5%)
CIE-LAB	lab(91.27, -36.02, 67.49)
CIE-LCH	lch(91.27, 76.51, 118.09°)
OKLab	oklab(91.24% -0.1035 0.1543)
OKLCH	oklch(91.24% 0.186 123.9)
XYZ	xyz(58.9319, 79.0840, 22.0555)
Luminance	0.7908 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F65B #885BF6

analogous

#F6D55B #C9F65B #7BF65B

triadic

#C9F65B #5BC9F6 #F65BC9

tetradic

#C9F65B #5BF6D5 #885BF6 #F65B7B

square

#C9F65B #5BF6D5 #885BF6 #F65B7B

split-complementary

#C9F65B #5B7BF6 #D55BF6

monochromatic

#94CB0B #B6F321 #C9F65B #DCF995 #EFFCCF

Accessibility & contrast

On white

1.25

#C9F65B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.82

#C9F65B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F65B

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F65B	#FFFFFF	#000000	##000000
##C9F65B	1.00	1.25	16.82	16.82
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.82	21.00	1.00	1.00
##000000	16.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE747

Deuteranopia (green-blind)

#FDE666

Tritanopia (blue-blind)

#D2EBD6

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #c9f65b;
/* rgb */ color: rgb(201, 246, 91);
/* oklch */ color: oklch(91.2% 0.186 123.9);

Tailwind

colors: {
  custom: {
    50: '#ddf990',
    500: '#c9f65b',
    950: '#000000',
  },
}

SCSS

$custom: #c9f65b;
$custom-light: #ddf990;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f65b",
  "rgb": {
    "r": 201,
    "g": 246,
    "b": 91
  },
  "hsl": {
    "h": 77.419,
    "s": 89.595,
    "l": 66.078
  },
  "oklch": {
    "l": 0.91243,
    "c": 0.18579,
    "h": 123.9
  },
  "luminance": 0.79084
}

Semantic roles & 50–950 ramp

primary

#C9F65B

secondary

#5A2EC7

accent

#00E643

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C9F65B

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

Preview Lab → · Contrast checker → · Palette generator →