#669C47

Closest named color: Flat Green (#699D4C). oklch(63.5% 0.13 135.4), rgb(102, 156, 71).

Black text reads best on this color (6.41:1).

About this color

#669C47 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.130 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Flat Green (#699D4C), ΔE 0.007 away. Black text reads best on it, at 6.41:1.

Hue family	Greens
Lightness	medium-light (64%)
Chroma	moderately saturated (0.130)
Temperature	in between
Nearest name	Flat Green (#699D4C)
Black text	6.41:1
White text	3.27:1

Values

HEX	#669C47
RGB	rgb(102, 156, 71)
HSL	hsl(98, 37%, 45%)
OKLCH	oklch(63.5% 0.13 135.4)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

Pair	WCAG 2	Result	APCA	APCA guidance
White text on #669C47	3.27:1	AA large text	Lc -65.4	Content text, not long reading
Black text on #669C47	6.41:1	AA	Lc 44.1	Non-text elements, placeholder text
#669C47 text on white	3.27:1	AA large text	Lc 59.9	Large or bold text, headings
#669C47 text on black	6.41:1	AA	Lc -41.8	Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

Step 50
50

#F3F7F1

oklch(97.1% 0.009 134.9)
Step 100
100

#E5EDE1

oklch(93.7% 0.018 134.9)
Step 200
200

#CFDFC8

oklch(88.5% 0.035 136)
Step 300
300

#AFCAA1

oklch(80.8% 0.063 135)
Step 400
400

#84AF6E

oklch(70.7% 0.102 135.5)
Step 500
500 (this color)

#669C47

oklch(63.5% 0.13 135.4)
Step 600
600

#4B8524

oklch(55.7% 0.142 135.4)
Step 700
700

#3C7016

oklch(49% 0.131 135.4)
Step 800
800

#325C16

oklch(42.8% 0.109 135.5)
Step 900
900

#2C4B19

oklch(37.6% 0.085 135.3)
Step 950
950

#1A2C10

oklch(26.9% 0.054 135.5)

Export this scale for Tailwind in the Tailwind colors tool

#669C47 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

Vision	Seen as	Shift (ΔE)
Protanopia (no red cones)	#A1913F	0.081
Deuteranopia (no green cones)	#998C4D	0.081
Tritanopia (no blue cones)	#659789	0.093
Achromatopsia (no color)	#8E8E8E	0.131