#C3EF5B#C3EF5B

#C3EF5B is a very light, vivid yellow-green. Relative luminance 0.741; OKLCH L 89.3% C 0.180 H 124.1°. Best body text is #000000 at 15.82:1 contrast (WCAG AA passes).

Color values

HEX	#C3EF5B
RGB	rgb(195, 239, 91)
HSL	hsl(78, 82%, 65%)
HSV	hsv(78, 62%, 94%)
CMYK	cmyk(18.4%, 0%, 61.9%, 6.3%)
CIE-LAB	lab(88.97, -35.12, 64.90)
CIE-LCH	lch(88.97, 73.79, 118.42°)
OKLab	oklab(89.28% -0.1007 0.1489)
OKLCH	oklch(89.28% 0.18 124.1)
XYZ	xyz(55.2609, 74.0900, 21.2850)
Luminance	0.7409 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C3EF5B #875BEF

analogous

#EFD15B #C3EF5B #79EF5B

triadic

#C3EF5B #5BC3EF #EF5BC3

tetradic

#C3EF5B #5BEFD1 #875BEF #EF5B79

square

#C3EF5B #5BEFD1 #875BEF #EF5B79

split-complementary

#C3EF5B #5B79EF #D15BEF

monochromatic

#8ABD12 #AFEA23 #C3EF5B #D7F493 #ECFACB

Accessibility & contrast

On white

1.33

#C3EF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.82

#C3EF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C3EF5B

15.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C3EF5B	#FFFFFF	#000000	##000000
##C3EF5B	1.00	1.33	15.82	15.82
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.82	21.00	1.00	1.00
##000000	15.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE149

Deuteranopia (green-blind)

#F6DF66

Tritanopia (blue-blind)

#CBE4D0

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c3ef5b;
/* rgb */ color: rgb(195, 239, 91);
/* oklch */ color: oklch(89.3% 0.180 124.1);

Tailwind

colors: {
  custom: {
    50: '#d8f48f',
    500: '#c3ef5b',
    950: '#000000',
  },
}

SCSS

$custom: #c3ef5b;
$custom-light: #d8f48f;
$custom-dark: #000000;

JSON

{
  "hex": "#c3ef5b",
  "rgb": {
    "r": 195,
    "g": 239,
    "b": 91
  },
  "hsl": {
    "h": 77.838,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.89284,
    "c": 0.17974,
    "h": 124.1
  },
  "luminance": 0.7409
}

Semantic roles & 50–950 ramp

primary

#C3EF5B

secondary

#5B33BC

accent

#07DF47

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C3EF5B

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

Preview Lab → · Contrast checker → · Palette generator →