#66A527#66A527

#66A527 is a light, vivid yellow-green. Relative luminance 0.299; OKLCH L 65.5% C 0.167 H 132.9°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#66A527
RGB	rgb(102, 165, 39)
HSL	hsl(90, 62%, 40%)
HSV	hsv(90, 76%, 65%)
CMYK	cmyk(38.2%, 0%, 76.4%, 35.3%)
CIE-LAB	lab(61.55, -40.38, 54.87)
CIE-LCH	lch(61.55, 68.13, 126.35°)
OKLab	oklab(65.5% -0.1138 0.1223)
OKLCH	oklch(65.5% 0.167 132.9)
XYZ	xyz(19.3006, 29.8807, 6.6697)
Luminance	0.2988 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A527 #6627A5

analogous

#A5A527 #66A527 #27A527

triadic

#66A527 #2766A5 #A52766

tetradic

#66A527 #27A5A5 #6627A5 #A52727

square

#66A527 #27A5A5 #6627A5 #A52727

split-complementary

#66A527 #2727A5 #A527A5

monochromatic

#294210 #47741B #66A527 #85D039 #A3DC6A

Accessibility & contrast

On white

3.01

#66A527 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#66A527 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A527

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A527	#FFFFFF	#000000	##000000
##66A527	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC9809

Deuteranopia (green-blind)

#A39334

Tritanopia (blue-blind)

#679E8D

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #66a527;
/* rgb */ color: rgb(102, 165, 39);
/* oklch */ color: oklch(65.5% 0.167 132.9);

Tailwind

colors: {
  custom: {
    50: '#97c06b',
    500: '#66a527',
    950: '#000000',
  },
}

SCSS

$custom: #66a527;
$custom-light: #97c06b;
$custom-dark: #000000;

JSON

{
  "hex": "#66a527",
  "rgb": {
    "r": 102,
    "g": 165,
    "b": 39
  },
  "hsl": {
    "h": 90,
    "s": 61.765,
    "l": 40
  },
  "oklch": {
    "l": 0.655,
    "c": 0.16704,
    "h": 132.9
  },
  "luminance": 0.29882
}

Semantic roles & 50–950 ramp

primary

#66A527

secondary

#9466C2

accent

#43E594

background

#F9FBF6

surface

#F2F7EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A527

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

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