#C5F459#C5F459

#C5F459 is a very light, vivid yellow-green. Relative luminance 0.773; OKLCH L 90.5% C 0.186 H 124.5°. Best body text is #000000 at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#C5F459
RGB	rgb(197, 244, 89)
HSL	hsl(78, 88%, 65%)
HSV	hsv(78, 64%, 96%)
CMYK	cmyk(19.3%, 0%, 63.5%, 4.3%)
CIE-LAB	lab(90.46, -36.77, 67.34)
CIE-LCH	lch(90.46, 76.73, 118.64°)
OKLab	oklab(90.52% -0.1056 0.1538)
OKLCH	oklch(90.52% 0.187 124.5)
XYZ	xyz(57.1802, 77.2924, 21.3557)
Luminance	0.7729 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5F459 #8859F4

analogous

#F4D659 #C5F459 #77F459

triadic

#C5F459 #59C5F4 #F459C5

tetradic

#C5F459 #59F4D6 #8859F4 #F45977

square

#C5F459 #59F4D6 #8859F4 #F45977

split-complementary

#C5F459 #5977F4 #D659F4

monochromatic

#8EC60D #B1F020 #C5F459 #D9F892 #EDFCCC

Accessibility & contrast

On white

1.28

#C5F459 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.46

#C5F459 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5F459

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5F459	#FFFFFF	#000000	##000000
##C5F459	1.00	1.28	16.46	16.46
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.46	21.00	1.00	1.00
##000000	16.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE545

Deuteranopia (green-blind)

#FBE365

Tritanopia (blue-blind)

#CDE9D4

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #c5f459;
/* rgb */ color: rgb(197, 244, 89);
/* oklch */ color: oklch(90.5% 0.186 124.5);

Tailwind

colors: {
  custom: {
    50: '#daf88f',
    500: '#c5f459',
    950: '#000000',
  },
}

SCSS

$custom: #c5f459;
$custom-light: #daf88f;
$custom-dark: #000000;

JSON

{
  "hex": "#c5f459",
  "rgb": {
    "r": 197,
    "g": 244,
    "b": 89
  },
  "hsl": {
    "h": 78.194,
    "s": 87.571,
    "l": 65.294
  },
  "oklch": {
    "l": 0.90515,
    "c": 0.1865,
    "h": 124.5
  },
  "luminance": 0.77293
}

Semantic roles & 50–950 ramp

primary

#C5F459

secondary

#5C2FC3

accent

#01E446

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C5F459

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

Preview Lab → · Contrast checker → · Palette generator →