#66AF2F#66AF2F

#66AF2F is a light, vivid yellow-green. Relative luminance 0.337; OKLCH L 68.1% C 0.175 H 134.8°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#66AF2F
RGB	rgb(102, 175, 47)
HSL	hsl(94, 58%, 44%)
HSV	hsv(94, 73%, 69%)
CMYK	cmyk(41.7%, 0%, 73.1%, 31.4%)
CIE-LAB	lab(64.71, -44.10, 55.16)
CIE-LCH	lch(64.71, 70.62, 128.64°)
OKLab	oklab(68.11% -0.1233 0.1241)
OKLCH	oklch(68.11% 0.175 134.8)
XYZ	xyz(21.3221, 33.6888, 8.0679)
Luminance	0.3369 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AF2F #782FAF

analogous

#A6AF2F #66AF2F #2FAF38

triadic

#66AF2F #2F66AF #AF2F66

tetradic

#66AF2F #2FA6AF #782FAF #AF382F

square

#66AF2F #2FA6AF #782FAF #AF382F

split-complementary

#66AF2F #382FAF #AF2FA6

monochromatic

#2E4F15 #4A7F22 #66AF2F #84CF4C #A5DC7C

Accessibility & contrast

On white

2.71

#66AF2F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#66AF2F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AF2F

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AF2F	#FFFFFF	#000000	##000000
##66AF2F	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A117

Deuteranopia (green-blind)

#AC9B3B

Tritanopia (blue-blind)

#65A896

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #66af2f;
/* rgb */ color: rgb(102, 175, 47);
/* oklch */ color: oklch(68.1% 0.175 134.8);

Tailwind

colors: {
  custom: {
    50: '#98c770',
    500: '#66af2f',
    950: '#000000',
  },
}

SCSS

$custom: #66af2f;
$custom-light: #98c770;
$custom-dark: #000000;

JSON

{
  "hex": "#66af2f",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 47
  },
  "hsl": {
    "h": 94.219,
    "s": 57.658,
    "l": 43.529
  },
  "oklch": {
    "l": 0.68105,
    "c": 0.1749,
    "h": 134.8
  },
  "luminance": 0.3369
}

Semantic roles & 50–950 ramp

primary

#66AF2F

secondary

#A275C4

accent

#47E19F

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66AF2F

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

Preview Lab → · Contrast checker → · Palette generator →