#40FF58#40FF58

#40FF58 is a very light, highly saturated green. Relative luminance 0.733; OKLCH L 87.6% C 0.256 H 144.6°. Best body text is #000000 at 15.66:1 contrast (WCAG AA passes).

Color values

HEX	#40FF58
RGB	rgb(64, 255, 88)
HSL	hsl(128, 100%, 63%)
HSV	hsv(128, 75%, 100%)
CMYK	cmyk(74.9%, 0%, 65.5%, 0%)
CIE-LAB	lab(88.60, -77.30, 64.25)
CIE-LCH	lch(88.60, 100.51, 140.27°)
OKLab	oklab(87.62% -0.2088 0.1484)
OKLCH	oklch(87.62% 0.256 144.6)
XYZ	xyz(39.6331, 73.3099, 21.2921)
Luminance	0.7331 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40FF58 #FF40E7

analogous

#88FF40 #40FF58 #40FFB7

triadic

#40FF58 #5840FF #FF5840

tetradic

#40FF58 #4088FF #FF40E7 #FFB740

square

#40FF58 #4088FF #FF40E7 #FFB740

split-complementary

#40FF58 #B740FF #FF4088

monochromatic

#00C519 #03FF22 #40FF58 #7DFF8E #BAFFC3

Accessibility & contrast

On white

1.34

#40FF58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.66

#40FF58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40FF58

15.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40FF58	#FFFFFF	#000000	##000000
##40FF58	1.00	1.34	15.66	15.66
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.66	21.00	1.00	1.00
##000000	15.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE742

Deuteranopia (green-blind)

#EED967

Tritanopia (blue-blind)

#00F8DD

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #40ff58;
/* rgb */ color: rgb(64, 255, 88);
/* oklch */ color: oklch(87.6% 0.256 144.6);

Tailwind

colors: {
  custom: {
    50: '#91ff8e',
    500: '#40ff58',
    950: '#000000',
  },
}

SCSS

$custom: #40ff58;
$custom-light: #91ff8e;
$custom-dark: #000000;

JSON

{
  "hex": "#40ff58",
  "rgb": {
    "r": 64,
    "g": 255,
    "b": 88
  },
  "hsl": {
    "h": 127.539,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.8762,
    "c": 0.25619,
    "h": 144.6
  },
  "luminance": 0.73315
}

Semantic roles & 50–950 ramp

primary

#40FF58

secondary

#C122AD

accent

#00C9E6

background

#FCFFFC

surface

#F5FFF4

border

#CFD7CE

text

#0F180D

muted

#80867F

Preview Lab

Preview with #40FF58

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

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