#669A45
Closest named color: Flat Green (#699D4C). oklch(63% 0.129 134.8), rgb(102, 154, 69).
Aa
Black text reads best on this color (6.27:1).
About this color
#669A45 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.129 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 0.011 away. Black text reads best on it, at 6.27:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Flat Green (#699D4C) |
| Black text | 6.27:1 |
| White text | 3.34:1 |
Values
| HEX | #669A45 |
| RGB | rgb(102, 154, 69) |
| HSL | hsl(97, 38%, 44%) |
| OKLCH | oklch(63% 0.129 134.8) |
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 #669A45 | 3.34:1 | AA large text | Lc -66.2 | Content text, not long reading |
| Black text on #669A45 | 6.27:1 | AA | Lc 43.3 | Non-text elements, placeholder text |
| #669A45 text on white | 3.34:1 | AA large text | Lc 60.8 | Content text, not long reading |
| #669A45 text on black | 6.27:1 | AA | Lc -40.9 | 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
#B0CAA1
oklch(80.9% 0.063 134.1)
-
Step 400
400
#85AF6E
oklch(70.7% 0.101 135)
-
Step 500
500 (this color)
#669A45
oklch(63% 0.129 134.8)
-
Step 600
600
#4D8424
oklch(55.5% 0.14 134.7)
-
Step 700
700
#3E7015
oklch(49.1% 0.131 134.6)
-
Step 800
800
#335B15
oklch(42.6% 0.108 134.7)
-
Step 900
900
#2D4B19
oklch(37.7% 0.084 134.8)
-
Step 950
950
#1B2C10
oklch(27% 0.053 134.5)
#669A45 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) | #9F8F3D | 0.079 |
| Deuteranopia (no green cones) | #988B4B | 0.079 |
| Tritanopia (no blue cones) | #659587 | 0.093 |
| Achromatopsia (no color) | #8C8C8C | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669A45
#669A45
oklch(63% 0.129 134.8)
- #A66FBF
#A66FBF
oklch(62.9% 0.13 314.7)
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 #669A45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Green #699D4C ΔE 0.011
- Muted Green #5FA052 ΔE 0.018
- Off Green #6BA353 ΔE 0.028
- Drab Green #749551 ΔE 0.029
- Moss #769958 ΔE 0.032
- Olive Drab #6B8E23 ΔE 0.037
- Mid Green #50A747 ΔE 0.040
- Fern #63A950 ΔE 0.041
Use #669A45 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.