#40CE5B#40CE5B

#40CE5B is a light, vivid green. Relative luminance 0.460; OKLCH L 75.1% C 0.198 H 146.4°. Best body text is #000000 at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#40CE5B
RGB	rgb(64, 206, 91)
HSL	hsl(131, 59%, 53%)
HSV	hsv(131, 69%, 81%)
CMYK	cmyk(68.9%, 0%, 55.8%, 19.2%)
CIE-LAB	lab(73.54, -61.06, 45.84)
CIE-LCH	lch(73.54, 76.35, 143.10°)
OKLab	oklab(75.15% -0.1647 0.1092)
OKLCH	oklch(75.15% 0.198 146.4)
XYZ	xyz(26.0721, 45.9851, 17.3975)
Luminance	0.4599 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CE5B #CE40B3

analogous

#6CCE40 #40CE5B #40CEA2

triadic

#40CE5B #5B40CE #CE5B40

tetradic

#40CE5B #406CCE #CE40B3 #CEA240

square

#40CE5B #406CCE #CE40B3 #CEA240

split-complementary

#40CE5B #A240CE #CE406C

monochromatic

#1E752F #2BA642 #40CE5B #71DA85 #A1E7AF

Accessibility & contrast

On white

2.06

#40CE5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.20

#40CE5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CE5B

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CE5B	#FFFFFF	#000000	##000000
##40CE5B	1.00	2.06	10.20	10.20
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.20	21.00	1.00	1.00
##000000	10.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BC50

Deuteranopia (green-blind)

#C0B064

Tritanopia (blue-blind)

#00C9B4

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #40ce5b;
/* rgb */ color: rgb(64, 206, 91);
/* oklch */ color: oklch(75.1% 0.198 146.4);

Tailwind

colors: {
  custom: {
    50: '#87de8c',
    500: '#40ce5b',
    950: '#000000',
  },
}

SCSS

$custom: #40ce5b;
$custom-light: #87de8c;
$custom-dark: #000000;

JSON

{
  "hex": "#40ce5b",
  "rgb": {
    "r": 64,
    "g": 206,
    "b": 91
  },
  "hsl": {
    "h": 131.408,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.75146,
    "c": 0.19762,
    "h": 146.4
  },
  "luminance": 0.45988
}

Semantic roles & 50–950 ramp

primary

#40CE5B

secondary

#D496C8

accent

#45C5E2

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #40CE5B

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

Preview Lab → · Contrast checker → · Palette generator →