#C3EC59#C3EC59

#C3EC59 is a very light, vivid yellow-green. Relative luminance 0.723; OKLCH L 88.6% C 0.178 H 123.3°. Best body text is #000000 at 15.46:1 contrast (WCAG AA passes).

Color values

HEX	#C3EC59
RGB	rgb(195, 236, 89)
HSL	hsl(77, 79%, 64%)
HSV	hsv(77, 62%, 93%)
CMYK	cmyk(17.4%, 0%, 62.3%, 7.5%)
CIE-LAB	lab(88.12, -33.90, 64.80)
CIE-LCH	lch(88.12, 73.13, 117.61°)
OKLab	oklab(88.6% -0.0975 0.1484)
OKLCH	oklch(88.6% 0.178 123.3)
XYZ	xyz(54.3048, 72.3140, 20.5463)
Luminance	0.7231 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C3EC59 #8259EC

analogous

#ECCB59 #C3EC59 #79EC59

triadic

#C3EC59 #59C3EC #EC59C3

tetradic

#C3EC59 #59ECCB #8259EC #EC5979

square

#C3EC59 #59ECCB #8259EC #EC5979

split-complementary

#C3EC59 #5979EC #CB59EC

monochromatic

#89B615 #AFE622 #C3EC59 #D7F290 #EBF9C7

Accessibility & contrast

On white

1.36

#C3EC59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.46

#C3EC59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C3EC59

15.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C3EC59	#FFFFFF	#000000	##000000
##C3EC59	1.00	1.36	15.46	15.46
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.46	21.00	1.00	1.00
##000000	15.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DE47

Deuteranopia (green-blind)

#F3DD64

Tritanopia (blue-blind)

#CCE1CD

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #c3ec59;
/* rgb */ color: rgb(195, 236, 89);
/* oklch */ color: oklch(88.6% 0.178 123.3);

Tailwind

colors: {
  custom: {
    50: '#d8f28e',
    500: '#c3ec59',
    950: '#000000',
  },
}

SCSS

$custom: #c3ec59;
$custom-light: #d8f28e;
$custom-dark: #000000;

JSON

{
  "hex": "#c3ec59",
  "rgb": {
    "r": 195,
    "g": 236,
    "b": 89
  },
  "hsl": {
    "h": 76.735,
    "s": 79.459,
    "l": 63.725
  },
  "oklch": {
    "l": 0.88596,
    "c": 0.17757,
    "h": 123.3
  },
  "luminance": 0.72314
}

Semantic roles & 50–950 ramp

primary

#C3EC59

secondary

#5834B5

accent

#0ADC44

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C3EC59

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

Preview Lab → · Contrast checker → · Palette generator →