#66B52E#66B52E

#66B52E is a light, vivid yellow-green. Relative luminance 0.361; OKLCH L 69.6% C 0.183 H 135.4°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#66B52E
RGB	rgb(102, 181, 46)
HSL	hsl(95, 59%, 45%)
HSV	hsv(95, 75%, 71%)
CMYK	cmyk(43.6%, 0%, 74.6%, 29%)
CIE-LAB	lab(66.57, -46.63, 57.36)
CIE-LCH	lch(66.57, 73.92, 129.11°)
OKLab	oklab(69.63% -0.1302 0.1285)
OKLCH	oklch(69.63% 0.183 135.4)
XYZ	xyz(22.4960, 36.0685, 8.3608)
Luminance	0.3607 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B52E #7D2EB5

analogous

#AAB52E #66B52E #2EB53A

triadic

#66B52E #2E66B5 #B52E66

tetradic

#66B52E #2EAAB5 #7D2EB5 #B53A2E

square

#66B52E #2EAAB5 #7D2EB5 #B53A2E

split-complementary

#66B52E #3A2EB5 #B52EAA

monochromatic

#2F5315 #4B8422 #66B52E #85D24E #A7DE7F

Accessibility & contrast

On white

2.56

#66B52E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.21

#66B52E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B52E

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B52E	#FFFFFF	#000000	##000000
##66B52E	1.00	2.56	8.21	8.21
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.21	21.00	1.00	1.00
##000000	8.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA612

Deuteranopia (green-blind)

#B1A03C

Tritanopia (blue-blind)

#64AE9B

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #66b52e;
/* rgb */ color: rgb(102, 181, 46);
/* oklch */ color: oklch(69.6% 0.183 135.4);

Tailwind

colors: {
  custom: {
    50: '#98cc70',
    500: '#66b52e',
    950: '#000000',
  },
}

SCSS

$custom: #66b52e;
$custom-light: #98cc70;
$custom-dark: #000000;

JSON

{
  "hex": "#66b52e",
  "rgb": {
    "r": 102,
    "g": 181,
    "b": 46
  },
  "hsl": {
    "h": 95.111,
    "s": 59.471,
    "l": 44.51
  },
  "oklch": {
    "l": 0.69625,
    "c": 0.18294,
    "h": 135.4
  },
  "luminance": 0.3607
}

Semantic roles & 50–950 ramp

primary

#66B52E

secondary

#A678C7

accent

#45E3A1

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66B52E

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

Preview Lab → · Contrast checker → · Palette generator →