#40C554#40C554

#40C554 is a light, vivid green. Relative luminance 0.417; OKLCH L 72.7% C 0.192 H 145.7°. Best body text is #000000 at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#40C554
RGB	rgb(64, 197, 84)
HSL	hsl(129, 53%, 51%)
HSV	hsv(129, 68%, 77%)
CMYK	cmyk(67.5%, 0%, 57.4%, 22.7%)
CIE-LAB	lab(70.64, -58.82, 45.67)
CIE-LCH	lch(70.64, 74.46, 142.17°)
OKLab	oklab(72.72% -0.1589 0.1083)
OKLCH	oklch(72.72% 0.192 145.7)
XYZ	xyz(23.6792, 41.6601, 15.1791)
Luminance	0.4166 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C554 #C540B1

analogous

#6EC540 #40C554 #40C597

triadic

#40C554 #5440C5 #C55440

tetradic

#40C554 #406EC5 #C540B1 #C59740

square

#40C554 #406EC5 #C540B1 #C59740

split-complementary

#40C554 #9740C5 #C5406E

monochromatic

#206A2B #2F993F #40C554 #6FD37E #9EE2A8

Accessibility & contrast

On white

2.25

#40C554 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.33

#40C554 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C554

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C554	#FFFFFF	#000000	##000000
##40C554	1.00	2.25	9.33	9.33
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.33	21.00	1.00	1.00
##000000	9.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B449

Deuteranopia (green-blind)

#B8A85D

Tritanopia (blue-blind)

#11C0AC

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #40c554;
/* rgb */ color: rgb(64, 197, 84);
/* oklch */ color: oklch(72.7% 0.192 145.7);

Tailwind

colors: {
  custom: {
    50: '#85d887',
    500: '#40c554',
    950: '#000000',
  },
}

SCSS

$custom: #40c554;
$custom-light: #85d887;
$custom-dark: #000000;

JSON

{
  "hex": "#40c554",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 84
  },
  "hsl": {
    "h": 129.023,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.72723,
    "c": 0.19228,
    "h": 145.7
  },
  "luminance": 0.41663
}

Semantic roles & 50–950 ramp

primary

#40C554

secondary

#CE93C5

accent

#4BC7DD

background

#F8FDF8

surface

#F0FAF0

border

#CBD3CB

text

#0C150B

muted

#7D837C

Preview Lab

Preview with #40C554

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

Preview Lab → · Contrast checker → · Palette generator →