#42E657#42E657

#42E657 is a light, highly saturated green. Relative luminance 0.584; OKLCH L 81.3% C 0.229 H 144.9°. Best body text is #000000 at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#42E657
RGB	rgb(66, 230, 87)
HSL	hsl(128, 77%, 58%)
HSV	hsv(128, 71%, 90%)
CMYK	cmyk(71.3%, 0%, 62.2%, 9.8%)
CIE-LAB	lab(80.98, -69.24, 56.25)
CIE-LCH	lch(80.98, 89.21, 140.91°)
OKLab	oklab(81.31% -0.1871 0.1313)
OKLCH	oklch(81.31% 0.229 144.9)
XYZ	xyz(32.2617, 58.4364, 18.5941)
Luminance	0.5844 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E657 #E642D1

analogous

#7FE642 #42E657 #42E6A9

triadic

#42E657 #5742E6 #E65742

tetradic

#42E657 #427FE6 #E642D1 #E6A942

square

#42E657 #427FE6 #E642D1 #E6A942

split-complementary

#42E657 #A942E6 #E6427F

monochromatic

#149925 #1BCF32 #42E657 #78ED87 #AEF4B7

Accessibility & contrast

On white

1.66

#42E657 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.69

#42E657 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E657

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E657	#FFFFFF	#000000	##000000
##42E657	1.00	1.66	12.69	12.69
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.69	21.00	1.00	1.00
##000000	12.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD146

Deuteranopia (green-blind)

#D7C463

Tritanopia (blue-blind)

#00E0C8

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #42e657;
/* rgb */ color: rgb(66, 230, 87);
/* oklch */ color: oklch(81.3% 0.229 144.9);

Tailwind

colors: {
  custom: {
    50: '#8def8b',
    500: '#42e657',
    950: '#000000',
  },
}

SCSS

$custom: #42e657;
$custom-light: #8def8b;
$custom-dark: #000000;

JSON

{
  "hex": "#42e657",
  "rgb": {
    "r": 66,
    "g": 230,
    "b": 87
  },
  "hsl": {
    "h": 127.683,
    "s": 76.636,
    "l": 58.039
  },
  "oklch": {
    "l": 0.8131,
    "c": 0.22856,
    "h": 144.9
  },
  "luminance": 0.5844
}

Semantic roles & 50–950 ramp

primary

#42E657

secondary

#9D2F8F

accent

#35DBF3

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E170C

muted

#7F857F

Preview Lab

Preview with #42E657

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

Preview Lab → · Contrast checker → · Palette generator →