#66B970#66B970

#66B970 is a light, vivid green. Relative luminance 0.387; OKLCH L 71.5% C 0.133 H 146.7°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#66B970
RGB	rgb(102, 185, 112)
HSL	hsl(127, 37%, 56%)
HSV	hsv(127, 45%, 73%)
CMYK	cmyk(44.9%, 0%, 39.5%, 27.5%)
CIE-LAB	lab(68.53, -40.80, 29.39)
CIE-LCH	lch(68.53, 50.28, 144.24°)
OKLab	oklab(71.46% -0.1109 0.0729)
OKLCH	oklch(71.46% 0.133 146.7)
XYZ	xyz(25.7517, 38.6908, 21.4372)
Luminance	0.3869 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B970 #B966AF

analogous

#86B966 #66B970 #66B99A

triadic

#66B970 #7066B9 #B97066

tetradic

#66B970 #6686B9 #B966AF #B99A66

square

#66B970 #6686B9 #B966AF #B99A66

split-complementary

#66B970 #9A66B9 #B96686

monochromatic

#34713B #479B51 #66B970 #90CC97 #BADFBE

Accessibility & contrast

On white

2.40

#66B970 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.74

#66B970 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B970

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B970	#FFFFFF	#000000	##000000
##66B970	1.00	2.40	8.74	8.74
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.74	21.00	1.00	1.00
##000000	8.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBAC6B

Deuteranopia (green-blind)

#AFA474

Tritanopia (blue-blind)

#59B6A7

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #66b970;
/* rgb */ color: rgb(102, 185, 112);
/* oklch */ color: oklch(71.5% 0.133 146.7);

Tailwind

colors: {
  custom: {
    50: '#96ce9a',
    500: '#66b970',
    950: '#000000',
  },
}

SCSS

$custom: #66b970;
$custom-light: #96ce9a;
$custom-dark: #000000;

JSON

{
  "hex": "#66b970",
  "rgb": {
    "r": 102,
    "g": 185,
    "b": 112
  },
  "hsl": {
    "h": 127.229,
    "s": 37.22,
    "l": 56.275
  },
  "oklch": {
    "l": 0.71458,
    "c": 0.13274,
    "h": 146.7
  },
  "luminance": 0.38693
}

Semantic roles & 50–950 ramp

primary

#66B970

secondary

#CEACCA

accent

#5BBFCD

background

#F9FCF9

surface

#F2F9F2

border

#CCD2CC

text

#0E140E

muted

#7E827E

Preview Lab

Preview with #66B970

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

Preview Lab → · Contrast checker → · Palette generator →