#42A581#42A581

#42A581 is a light, moderate teal. Relative luminance 0.297; OKLCH L 65.3% C 0.108 H 166.0°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#42A581
RGB	rgb(66, 165, 129)
HSL	hsl(158, 43%, 45%)
HSV	hsv(158, 60%, 65%)
CMYK	cmyk(60%, 0%, 21.8%, 35.3%)
CIE-LAB	lab(61.35, -37.70, 10.16)
CIE-LCH	lch(61.35, 39.05, 164.91°)
OKLab	oklab(65.35% -0.1047 0.026)
OKLCH	oklch(65.35% 0.108 166)
XYZ	xyz(19.6624, 29.6515, 25.4517)
Luminance	0.2965 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A581 #A54266

analogous

#42A550 #42A581 #4297A5

triadic

#42A581 #8142A5 #A58142

tetradic

#42A581 #5042A5 #A54266 #97A542

square

#42A581 #5042A5 #A54266 #97A542

split-complementary

#42A581 #A54297 #A55042

monochromatic

#1F4E3D #31795F #42A581 #63C19F #8FD2BA

Accessibility & contrast

On white

3.03

#42A581 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.93

#42A581 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42A581

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A581	#FFFFFF	#000000	##000000
##42A581	1.00	3.03	6.93	6.93
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.93	21.00	1.00	1.00
##000000	6.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A29A7F

Deuteranopia (green-blind)

#939083

Tritanopia (blue-blind)

#01A59B

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #42a581;
/* rgb */ color: rgb(66, 165, 129);
/* oklch */ color: oklch(65.3% 0.108 166.0);

Tailwind

colors: {
  custom: {
    50: '#80c0a5',
    500: '#42a581',
    950: '#000000',
  },
}

SCSS

$custom: #42a581;
$custom-light: #80c0a5;
$custom-dark: #000000;

JSON

{
  "hex": "#42a581",
  "rgb": {
    "r": 66,
    "g": 165,
    "b": 129
  },
  "hsl": {
    "h": 158.182,
    "s": 42.857,
    "l": 45.294
  },
  "oklch": {
    "l": 0.65346,
    "c": 0.10789,
    "h": 166
  },
  "luminance": 0.29653
}

Semantic roles & 50–950 ramp

primary

#42A581

secondary

#BD859A

accent

#5583D3

background

#F8FBFA

surface

#EFF7F4

border

#CAD0CE

text

#0B120F

muted

#7C817F

Preview Lab

Preview with #42A581

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

Preview Lab → · Contrast checker → · Palette generator →