#669B4C
Closest named color: Flat Green (#699D4C). oklch(63.3% 0.124 136.3), rgb(102, 155, 76).
Aa
Black text reads best on this color (6.35:1).
About this color
#669B4C is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.124 and its hue 136°. 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 6.35:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Flat Green (#699D4C) |
| Black text | 6.35:1 |
| White text | 3.30:1 |
Values
| HEX | #669B4C |
| RGB | rgb(102, 155, 76) |
| HSL | hsl(100, 34%, 45%) |
| OKLCH | oklch(63.3% 0.124 136.3) |
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 #669B4C | 3.30:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #669B4C | 6.35:1 | AA | Lc 43.8 | Non-text elements, placeholder text |
| #669B4C text on white | 3.30:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #669B4C text on black | 6.35:1 | AA | Lc -41.4 | 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
#CFDFC9
oklch(88.6% 0.034 137.1)
-
Step 300
300
#AFCAA4
oklch(80.9% 0.06 136.7)
-
Step 400
400
#85AF72
oklch(70.8% 0.097 136.3)
-
Step 500
500 (this color)
#669B4C
oklch(63.3% 0.124 136.3)
-
Step 600
600
#4C842C
oklch(55.5% 0.134 136.1)
-
Step 700
700
#3C701F
oklch(49.1% 0.125 136.5)
-
Step 800
800
#325B1C
oklch(42.6% 0.103 136.4)
-
Step 900
900
#2C4B1D
oklch(37.7% 0.081 136.6)
-
Step 950
950
#1A2C12
oklch(27% 0.051 136.8)
#669B4C 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) | #A09045 | 0.080 |
| Deuteranopia (no green cones) | #988C51 | 0.079 |
| Tritanopia (no blue cones) | #649689 | 0.088 |
| Achromatopsia (no color) | #8D8D8D | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669B4C
#669B4C
oklch(63.3% 0.124 136.3)
- #A871BC
#A871BC
oklch(63.4% 0.124 316.7)
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 #669B4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Green #699D4C ΔE 0.007
- Muted Green #5FA052 ΔE 0.014
- Off Green #6BA353 ΔE 0.024
- Drab Green #749551 ΔE 0.026
- Moss #769958 ΔE 0.027
- Fern #63A950 ΔE 0.040
- Mid Green #50A747 ΔE 0.041
- Dull Green #74A662 ΔE 0.042
Use #669B4C 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.