#66AF34#66AF34

#66AF34 is a light, vivid yellow-green. Relative luminance 0.337; OKLCH L 68.1% C 0.172 H 135.2°. Best body text is #000000 at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#66AF34
RGB	rgb(102, 175, 52)
HSL	hsl(96, 54%, 45%)
HSV	hsv(96, 70%, 69%)
CMYK	cmyk(41.7%, 0%, 70.3%, 31.4%)
CIE-LAB	lab(64.75, -43.74, 53.31)
CIE-LCH	lch(64.75, 68.96, 129.37°)
OKLab	oklab(68.14% -0.1219 0.1209)
OKLCH	oklch(68.14% 0.172 135.2)
XYZ	xyz(21.4288, 33.7315, 8.6299)
Luminance	0.3373 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AF34 #7D34AF

analogous

#A4AF34 #66AF34 #34AF40

triadic

#66AF34 #3466AF #AF3466

tetradic

#66AF34 #34A4AF #7D34AF #AF4034

square

#66AF34 #34A4AF #7D34AF #AF4034

split-complementary

#66AF34 #4034AF #AF34A4

monochromatic

#2F5118 #4B8026 #66AF34 #85CC54 #A7DA83

Accessibility & contrast

On white

2.71

#66AF34 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.75

#66AF34 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AF34

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AF34	#FFFFFF	#000000	##000000
##66AF34	1.00	2.71	7.75	7.75
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.75	21.00	1.00	1.00
##000000	7.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A121

Deuteranopia (green-blind)

#AC9B3F

Tritanopia (blue-blind)

#64A897

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #66af34;
/* rgb */ color: rgb(102, 175, 52);
/* oklch */ color: oklch(68.1% 0.172 135.2);

Tailwind

colors: {
  custom: {
    50: '#97c773',
    500: '#66af34',
    950: '#000000',
  },
}

SCSS

$custom: #66af34;
$custom-light: #97c773;
$custom-dark: #000000;

JSON

{
  "hex": "#66af34",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 52
  },
  "hsl": {
    "h": 95.61,
    "s": 54.185,
    "l": 44.51
  },
  "oklch": {
    "l": 0.68143,
    "c": 0.17173,
    "h": 135.2
  },
  "luminance": 0.33733
}

Semantic roles & 50–950 ramp

primary

#66AF34

secondary

#A67BC4

accent

#4ADEA2

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66AF34

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

Preview Lab → · Contrast checker → · Palette generator →