#669C5F
Closest named color: Moss (#769958). oklch(63.9% 0.105 141.6), rgb(102, 156, 95).
Aa
Black text reads best on this color (6.48:1).
About this color
#669C5F is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.105 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Moss (#769958), ΔE 0.019 away. Black text reads best on it, at 6.48:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Moss (#769958) |
| Black text | 6.48:1 |
| White text | 3.23:1 |
Values
| HEX | #669C5F |
| RGB | rgb(102, 156, 95) |
| HSL | hsl(113, 24%, 49%) |
| OKLCH | oklch(63.9% 0.105 141.6) |
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 #669C5F | 3.23:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #669C5F | 6.48:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #669C5F text on white | 3.23:1 | AA large text | Lc 59.5 | Large or bold text, headings |
| #669C5F text on black | 6.48:1 | AA | Lc -42.2 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E5EDE3
oklch(93.7% 0.016 139.4)
-
Step 200
200
#CFDECD
oklch(88.5% 0.028 142)
-
Step 300
300
#AFCAAB
oklch(81% 0.052 141.5)
-
Step 400
400
#84AE7E
oklch(70.7% 0.082 141.5)
-
Step 500
500 (this color)
#669C5F
oklch(63.9% 0.105 141.6)
-
Step 600
600
#498442
oklch(55.7% 0.116 141.7)
-
Step 700
700
#3A6F34
oklch(49% 0.106 141.7)
-
Step 800
800
#315B2C
oklch(42.8% 0.088 141.7)
-
Step 900
900
#2B4B27
oklch(37.8% 0.07 141.6)
-
Step 950
950
#1A2C17
oklch(27.1% 0.045 140.9)
#669C5F 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) | #9F925B | 0.077 |
| Deuteranopia (no green cones) | #978D63 | 0.076 |
| Tritanopia (no blue cones) | #62988D | 0.069 |
| Achromatopsia (no color) | #8F8F8F | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669C5F
#669C5F
oklch(63.9% 0.105 141.6)
- #AA76B2
#AA76B2
oklch(64% 0.105 322)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #669C5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss #769958 ΔE 0.019
- Flat Green #699D4C ΔE 0.023
- Drab Green #749551 ΔE 0.024
- Muted Green #5FA052 ΔE 0.024
- Off Green #6BA353 ΔE 0.029
- Dull Green #74A662 ΔE 0.035
- Camo #7F8F4E ΔE 0.042
- Light Forest Green #4F9153 ΔE 0.044
Use #669C5F in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.