#669D38#669D38

#669D38 is a light, vivid yellow-green. Relative luminance 0.272; OKLCH L 63.6% C 0.145 H 133.3°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#669D38
RGB	rgb(102, 157, 56)
HSL	hsl(93, 47%, 42%)
HSV	hsv(93, 64%, 62%)
CMYK	cmyk(35%, 0%, 64.3%, 38.4%)
CIE-LAB	lab(59.18, -35.60, 45.74)
CIE-LCH	lch(59.18, 57.96, 127.90°)
OKLab	oklab(63.61% -0.0994 0.1055)
OKLCH	oklch(63.61% 0.145 133.3)
XYZ	xyz(18.2500, 27.2235, 8.0337)
Luminance	0.2722 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669D38 #6F389D

analogous

#999D38 #669D38 #389D3C

triadic

#669D38 #38669D #9D3866

tetradic

#669D38 #38999D #6F389D #9D3C38

square

#669D38 #38999D #6F389D #9D3C38

split-complementary

#669D38 #3C389D #9D3899

monochromatic

#2B4318 #497028 #669D38 #84C151 #A4D17E

Accessibility & contrast

On white

3.26

#669D38 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#669D38 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669D38

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669D38	#FFFFFF	#000000	##000000
##669D38	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3912C

Deuteranopia (green-blind)

#9B8D40

Tritanopia (blue-blind)

#669788

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669d38;
/* rgb */ color: rgb(102, 157, 56);
/* oklch */ color: oklch(63.6% 0.145 133.3);

Tailwind

colors: {
  custom: {
    50: '#95ba73',
    500: '#669d38',
    950: '#000000',
  },
}

SCSS

$custom: #669d38;
$custom-light: #95ba73;
$custom-dark: #000000;

JSON

{
  "hex": "#669d38",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 56
  },
  "hsl": {
    "h": 92.673,
    "s": 47.418,
    "l": 41.765
  },
  "oklch": {
    "l": 0.63605,
    "c": 0.14498,
    "h": 133.3
  },
  "luminance": 0.27224
}

Semantic roles & 50–950 ramp

primary

#669D38

secondary

#9B76BA

accent

#51D79A

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1108

muted

#7E807B

Preview Lab

Preview with #669D38

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

Preview Lab → · Contrast checker → · Palette generator →