#C9F554#C9F554

#C9F554 is a very light, vivid yellow-green. Relative luminance 0.784; OKLCH L 91.0% C 0.190 H 123.4°. Best body text is #000000 at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#C9F554
RGB	rgb(201, 245, 84)
HSL	hsl(76, 89%, 65%)
HSV	hsv(76, 66%, 96%)
CMYK	cmyk(18%, 0%, 65.7%, 3.9%)
CIE-LAB	lab(90.94, -36.04, 69.88)
CIE-LCH	lch(90.94, 78.62, 117.29°)
OKLab	oklab(90.96% -0.1042 0.1584)
OKLCH	oklch(90.96% 0.19 123.4)
XYZ	xyz(58.3406, 78.3621, 20.4376)
Luminance	0.7836 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F554 #8054F5

analogous

#F5D154 #C9F554 #78F554

triadic

#C9F554 #54C9F5 #F554C9

tetradic

#C9F554 #54F5D1 #8054F5 #F55478

square

#C9F554 #54F5D1 #8054F5 #F55478

split-complementary

#C9F554 #5478F5 #D154F5

monochromatic

#91C30B #B7F21A #C9F554 #DBF88E #EEFCC8

Accessibility & contrast

On white

1.26

#C9F554 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.67

#C9F554 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F554

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F554	#FFFFFF	#000000	##000000
##C9F554	1.00	1.26	16.67	16.67
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.67	21.00	1.00	1.00
##000000	16.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE63D

Deuteranopia (green-blind)

#FDE560

Tritanopia (blue-blind)

#D2E9D4

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #c9f554;
/* rgb */ color: rgb(201, 245, 84);
/* oklch */ color: oklch(91.0% 0.190 123.4);

Tailwind

colors: {
  custom: {
    50: '#ddf88c',
    500: '#c9f554',
    950: '#000000',
  },
}

SCSS

$custom: #c9f554;
$custom-light: #ddf88c;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f554",
  "rgb": {
    "r": 201,
    "g": 245,
    "b": 84
  },
  "hsl": {
    "h": 76.398,
    "s": 88.95,
    "l": 64.51
  },
  "oklch": {
    "l": 0.90962,
    "c": 0.18957,
    "h": 123.4
  },
  "luminance": 0.78362
}

Semantic roles & 50–950 ramp

primary

#C9F554

secondary

#552DC0

accent

#00E63F

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C9F554

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

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