#6ECC3B#6ECC3B

#6ECC3B is a light, vivid yellow-green. Relative luminance 0.468; OKLCH L 75.9% C 0.199 H 136.8°. Best body text is #000000 at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#6ECC3B
RGB	rgb(110, 204, 59)
HSL	hsl(99, 59%, 52%)
HSV	hsv(99, 71%, 80%)
CMYK	cmyk(46.1%, 0%, 71.1%, 20%)
CIE-LAB	lab(74.07, -52.36, 60.33)
CIE-LCH	lch(74.07, 79.89, 130.95°)
OKLab	oklab(75.9% -0.1453 0.1365)
OKLCH	oklch(75.9% 0.199 136.8)
XYZ	xyz(28.8119, 46.8146, 11.6548)
Luminance	0.4682 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6ECC3B #993BCC

analogous

#B6CC3B #6ECC3B #3BCC51

triadic

#6ECC3B #3B6ECC #CC3B6E

tetradic

#6ECC3B #3BB6CC #993BCC #CC513B

square

#6ECC3B #3BB6CC #993BCC #CC513B

split-complementary

#6ECC3B #513BCC #CC3BB6

monochromatic

#3A701D #53A02A #6ECC3B #92D96C #B6E59C

Accessibility & contrast

On white

2.03

#6ECC3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.36

#6ECC3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6ECC3B

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6ECC3B	#FFFFFF	#000000	##000000
##6ECC3B	1.00	2.03	10.36	10.36
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.36	21.00	1.00	1.00
##000000	10.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB22

Deuteranopia (green-blind)

#C6B349

Tritanopia (blue-blind)

#69C5B0

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #6ecc3b;
/* rgb */ color: rgb(110, 204, 59);
/* oklch */ color: oklch(75.9% 0.199 136.8);

Tailwind

colors: {
  custom: {
    50: '#9fdc79',
    500: '#6ecc3b',
    950: '#000000',
  },
}

SCSS

$custom: #6ecc3b;
$custom-light: #9fdc79;
$custom-dark: #000000;

JSON

{
  "hex": "#6ecc3b",
  "rgb": {
    "r": 110,
    "g": 204,
    "b": 59
  },
  "hsl": {
    "h": 98.897,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.75898,
    "c": 0.19933,
    "h": 136.8
  },
  "luminance": 0.46816
}

Semantic roles & 50–950 ramp

primary

#6ECC3B

secondary

#BB92D1

accent

#46E2AB

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #6ECC3B

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

Preview Lab → · Contrast checker → · Palette generator →