#42AC74#42AC74

#42AC74 is a light, vivid green. Relative luminance 0.319; OKLCH L 66.8% C 0.129 H 156.9°. Best body text is #000000 at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#42AC74
RGB	rgb(66, 172, 116)
HSL	hsl(148, 45%, 47%)
HSV	hsv(148, 62%, 67%)
CMYK	cmyk(61.6%, 0%, 32.6%, 32.5%)
CIE-LAB	lab(63.28, -43.58, 20.01)
CIE-LCH	lch(63.28, 47.96, 155.34°)
OKLab	oklab(66.83% -0.1186 0.0506)
OKLCH	oklch(66.83% 0.129 156.9)
XYZ	xyz(20.1499, 31.9222, 21.6193)
Luminance	0.3192 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AC74 #AC427A

analogous

#45AC42 #42AC74 #42ACA9

triadic

#42AC74 #7442AC #AC7442

tetradic

#42AC74 #4245AC #AC427A #ACA942

square

#42AC74 #4245AC #AC427A #ACA942

split-complementary

#42AC74 #A942AC #AC4245

monochromatic

#205438 #318056 #42AC74 #67C593 #93D6B2

Accessibility & contrast

On white

2.84

#42AC74 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.38

#42AC74 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AC74

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AC74	#FFFFFF	#000000	##000000
##42AC74	1.00	2.84	7.38	7.38
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.38	21.00	1.00	1.00
##000000	7.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB9F71

Deuteranopia (green-blind)

#9D9578

Tritanopia (blue-blind)

#11AB9D

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #42ac74;
/* rgb */ color: rgb(66, 172, 116);
/* oklch */ color: oklch(66.8% 0.129 156.9);

Tailwind

colors: {
  custom: {
    50: '#81c59c',
    500: '#42ac74',
    950: '#000000',
  },
}

SCSS

$custom: #42ac74;
$custom-light: #81c59c;
$custom-dark: #000000;

JSON

{
  "hex": "#42ac74",
  "rgb": {
    "r": 66,
    "g": 172,
    "b": 116
  },
  "hsl": {
    "h": 148.302,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.66831,
    "c": 0.12892,
    "h": 156.9
  },
  "luminance": 0.31924
}

Semantic roles & 50–950 ramp

primary

#42AC74

secondary

#C189A6

accent

#5498D4

background

#F8FCF9

surface

#EFF8F2

border

#CAD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #42AC74

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

Preview Lab → · Contrast checker → · Palette generator →