#66AE2F#66AE2F

#66AE2F is a light, vivid yellow-green. Relative luminance 0.333; OKLCH L 67.8% C 0.174 H 134.7°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#66AE2F
RGB	rgb(102, 174, 47)
HSL	hsl(94, 57%, 43%)
HSV	hsv(94, 73%, 68%)
CMYK	cmyk(41.4%, 0%, 73%, 31.8%)
CIE-LAB	lab(64.40, -43.68, 54.85)
CIE-LCH	lch(64.40, 70.12, 128.53°)
OKLab	oklab(67.85% -0.1221 0.1234)
OKLCH	oklch(67.85% 0.174 134.7)
XYZ	xyz(21.1282, 33.3010, 8.0032)
Luminance	0.3330 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AE2F #772FAE

analogous

#A5AE2F #66AE2F #2FAE38

triadic

#66AE2F #2F66AE #AE2F66

tetradic

#66AE2F #2FA5AE #772FAE #AE382F

square

#66AE2F #2FA5AE #772FAE #AE382F

split-complementary

#66AE2F #382FAE #AE2FA5

monochromatic

#2E4E15 #4A7E22 #66AE2F #84CF4C #A5DC7C

Accessibility & contrast

On white

2.74

#66AE2F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#66AE2F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AE2F

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AE2F	#FFFFFF	#000000	##000000
##66AE2F	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A018

Deuteranopia (green-blind)

#AB9A3B

Tritanopia (blue-blind)

#65A795

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #66ae2f;
/* rgb */ color: rgb(102, 174, 47);
/* oklch */ color: oklch(67.8% 0.174 134.7);

Tailwind

colors: {
  custom: {
    50: '#97c770',
    500: '#66ae2f',
    950: '#000000',
  },
}

SCSS

$custom: #66ae2f;
$custom-light: #97c770;
$custom-dark: #000000;

JSON

{
  "hex": "#66ae2f",
  "rgb": {
    "r": 102,
    "g": 174,
    "b": 47
  },
  "hsl": {
    "h": 94.016,
    "s": 57.466,
    "l": 43.333
  },
  "oklch": {
    "l": 0.6785,
    "c": 0.17365,
    "h": 134.7
  },
  "luminance": 0.33302
}

Semantic roles & 50–950 ramp

primary

#66AE2F

secondary

#A275C4

accent

#47E19E

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66AE2F

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

Preview Lab → · Contrast checker → · Palette generator →