#C9F358#C9F358

#C9F358 is a very light, vivid yellow-green. Relative luminance 0.772; OKLCH L 90.6% C 0.184 H 123.1°. Best body text is #000000 at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#C9F358
RGB	rgb(201, 243, 88)
HSL	hsl(76, 87%, 65%)
HSV	hsv(76, 64%, 95%)
CMYK	cmyk(17.3%, 0%, 63.8%, 4.7%)
CIE-LAB	lab(90.42, -34.87, 67.78)
CIE-LCH	lch(90.42, 76.22, 117.22°)
OKLab	oklab(90.55% -0.1006 0.1545)
OKLCH	oklch(90.55% 0.184 123.1)
XYZ	xyz(57.9000, 77.2230, 21.0858)
Luminance	0.7722 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F358 #8258F3

analogous

#F3CF58 #C9F358 #7CF358

triadic

#C9F358 #58C9F3 #F358C9

tetradic

#C9F358 #58F3CF #8258F3 #F3587C

square

#C9F358 #58F3CF #8258F3 #F3587C

split-complementary

#C9F358 #587CF3 #CF58F3

monochromatic

#92C30E #B7EF1F #C9F358 #DBF791 #EEFBCA

Accessibility & contrast

On white

1.28

#C9F358 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.44

#C9F358 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F358

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F358	#FFFFFF	#000000	##000000
##C9F358	1.00	1.28	16.44	16.44
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.44	21.00	1.00	1.00
##000000	16.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE544

Deuteranopia (green-blind)

#FBE364

Tritanopia (blue-blind)

#D2E7D3

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #c9f358;
/* rgb */ color: rgb(201, 243, 88);
/* oklch */ color: oklch(90.6% 0.184 123.1);

Tailwind

colors: {
  custom: {
    50: '#ddf78e',
    500: '#c9f358',
    950: '#000000',
  },
}

SCSS

$custom: #c9f358;
$custom-light: #ddf78e;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f358",
  "rgb": {
    "r": 201,
    "g": 243,
    "b": 88
  },
  "hsl": {
    "h": 76.258,
    "s": 86.592,
    "l": 64.902
  },
  "oklch": {
    "l": 0.90551,
    "c": 0.18435,
    "h": 123.1
  },
  "luminance": 0.77223
}

Semantic roles & 50–950 ramp

primary

#C9F358

secondary

#562FC0

accent

#02E33F

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C9F358

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

Preview Lab → · Contrast checker → · Palette generator →