#C6EF59#C6EF59

#C6EF59 is a very light, vivid yellow-green. Relative luminance 0.745; OKLCH L 89.5% C 0.180 H 123.1°. Best body text is #000000 at 15.89:1 contrast (WCAG AA passes).

Color values

HEX	#C6EF59
RGB	rgb(198, 239, 89)
HSL	hsl(76, 82%, 64%)
HSV	hsv(76, 63%, 94%)
CMYK	cmyk(17.2%, 0%, 62.8%, 6.3%)
CIE-LAB	lab(89.14, -34.12, 65.95)
CIE-LCH	lch(89.14, 74.26, 117.36°)
OKLab	oklab(89.47% -0.0983 0.1508)
OKLCH	oklch(89.47% 0.18 123.1)
XYZ	xyz(55.9589, 74.4598, 20.8734)
Luminance	0.7446 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C6EF59 #8259EF

analogous

#EFCD59 #C6EF59 #7BEF59

triadic

#C6EF59 #59C6EF #EF59C6

tetradic

#C6EF59 #59EFCD #8259EF #EF597B

square

#C6EF59 #59EFCD #8259EF #EF597B

split-complementary

#C6EF59 #597BEF #CD59EF

monochromatic

#8DBC12 #B3EA21 #C6EF59 #D9F491 #ECFAC9

Accessibility & contrast

On white

1.32

#C6EF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.89

#C6EF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C6EF59

15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C6EF59	#FFFFFF	#000000	##000000
##C6EF59	1.00	1.32	15.89	15.89
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.89	21.00	1.00	1.00
##000000	15.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE146

Deuteranopia (green-blind)

#F7E064

Tritanopia (blue-blind)

#CFE4D0

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #c6ef59;
/* rgb */ color: rgb(198, 239, 89);
/* oklch */ color: oklch(89.5% 0.180 123.1);

Tailwind

colors: {
  custom: {
    50: '#daf48e',
    500: '#c6ef59',
    950: '#000000',
  },
}

SCSS

$custom: #c6ef59;
$custom-light: #daf48e;
$custom-dark: #000000;

JSON

{
  "hex": "#c6ef59",
  "rgb": {
    "r": 198,
    "g": 239,
    "b": 89
  },
  "hsl": {
    "h": 76.4,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.89468,
    "c": 0.18001,
    "h": 123.1
  },
  "luminance": 0.7446
}

Semantic roles & 50–950 ramp

primary

#C6EF59

secondary

#5732BA

accent

#07DF42

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C6EF59

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

Preview Lab → · Contrast checker → · Palette generator →