#42D989#42D989

#42D989 is a light, vivid green. Relative luminance 0.526; OKLCH L 78.8% C 0.170 H 155.5°. Best body text is #000000 at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#42D989
RGB	rgb(66, 217, 137)
HSL	hsl(148, 67%, 55%)
HSV	hsv(148, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 36.9%, 14.9%)
CIE-LAB	lab(77.63, -57.30, 28.25)
CIE-LCH	lch(77.63, 63.89, 153.75°)
OKLab	oklab(78.75% -0.1549 0.0708)
OKLCH	oklch(78.75% 0.17 155.5)
XYZ	xyz(31.5721, 52.5866, 32.1484)
Luminance	0.5259 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D989 #D94292

analogous

#46D942 #42D989 #42D9D5

triadic

#42D989 #8942D9 #D98942

tetradic

#42D989 #4246D9 #D94292 #D9D542

square

#42D989 #4246D9 #D94292 #D9D542

split-complementary

#42D989 #D542D9 #D94246

monochromatic

#1B864D #25B96B #42D989 #75E3A9 #A8EDC9

Accessibility & contrast

On white

1.82

#42D989 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.52

#42D989 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D989

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D989	#FFFFFF	#000000	##000000
##42D989	1.00	1.82	11.52	11.52
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.52	21.00	1.00	1.00
##000000	11.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C884

Deuteranopia (green-blind)

#C5BA8E

Tritanopia (blue-blind)

#00D7C5

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #42d989;
/* rgb */ color: rgb(66, 217, 137);
/* oklch */ color: oklch(78.8% 0.170 155.5);

Tailwind

colors: {
  custom: {
    50: '#89e6ac',
    500: '#42d989',
    950: '#000000',
  },
}

SCSS

$custom: #42d989;
$custom-light: #89e6ac;
$custom-dark: #000000;

JSON

{
  "hex": "#42d989",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 137
  },
  "hsl": {
    "h": 148.212,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.7875,
    "c": 0.17032,
    "h": 155.5
  },
  "luminance": 0.5259
}

Semantic roles & 50–950 ramp

primary

#42D989

secondary

#8C3362

accent

#3E99E9

background

#FCFEFD

surface

#F4FCF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #42D989

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

Preview Lab → · Contrast checker → · Palette generator →