#4ECC63#4ECC63

#4ECC63 is a light, vivid green. Relative luminance 0.457; OKLCH L 75.1% C 0.183 H 146.5°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#4ECC63
RGB	rgb(78, 204, 99)
HSL	hsl(130, 55%, 55%)
HSV	hsv(130, 62%, 80%)
CMYK	cmyk(61.8%, 0%, 51.5%, 20%)
CIE-LAB	lab(73.35, -56.52, 41.90)
CIE-LCH	lch(73.35, 70.36, 143.45°)
OKLab	oklab(75.12% -0.1528 0.101)
OKLCH	oklch(75.12% 0.183 146.5)
XYZ	xyz(26.9851, 45.7036, 19.2016)
Luminance	0.4571 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECC63 #CC4EB7

analogous

#78CC4E #4ECC63 #4ECCA2

triadic

#4ECC63 #634ECC #CC634E

tetradic

#4ECC63 #4E78CC #CC4EB7 #CCA24E

square

#4ECC63 #4E78CC #CC4EB7 #CCA24E

split-complementary

#4ECC63 #A24ECC #CC4E78

monochromatic

#247C32 #31AB46 #4ECC63 #7EDA8D #ADE7B7

Accessibility & contrast

On white

2.07

#4ECC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.14

#4ECC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECC63

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECC63	#FFFFFF	#000000	##000000
##4ECC63	1.00	2.07	10.14	10.14
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.14	21.00	1.00	1.00
##000000	10.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFBB5A

Deuteranopia (green-blind)

#BFB06B

Tritanopia (blue-blind)

#2EC8B4

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #4ecc63;
/* rgb */ color: rgb(78, 204, 99);
/* oklch */ color: oklch(75.1% 0.183 146.5);

Tailwind

colors: {
  custom: {
    50: '#8cdc91',
    500: '#4ecc63',
    950: '#000000',
  },
}

SCSS

$custom: #4ecc63;
$custom-light: #8cdc91;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecc63",
  "rgb": {
    "r": 78,
    "g": 204,
    "b": 99
  },
  "hsl": {
    "h": 130,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.75124,
    "c": 0.18313,
    "h": 146.5
  },
  "luminance": 0.45706
}

Semantic roles & 50–950 ramp

primary

#4ECC63

secondary

#D5A1CC

accent

#49C6DF

background

#F9FDF9

surface

#F1FBF1

border

#CBD4CB

text

#0D150D

muted

#7E837E

Preview Lab

Preview with #4ECC63

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

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