#669137
Closest named color: Olive Drab (#6B8E23). oklch(60.6% 0.129 130.9), rgb(102, 145, 55).
Aa
Black text reads best on this color (5.67:1).
About this color
#669137 is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.129 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Drab (#6B8E23), ΔE 0.015 away. Black text reads best on it, at 5.67:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Olive Drab (#6B8E23) |
| Black text | 5.67:1 |
| White text | 3.70:1 |
Values
| HEX | #669137 |
| RGB | rgb(102, 145, 55) |
| HSL | hsl(89, 45%, 39%) |
| OKLCH | oklch(60.6% 0.129 130.9) |
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 #669137 | 3.70:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #669137 | 5.67:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #669137 text on white | 3.70:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #669137 text on black | 5.67:1 | AA | Lc -37.2 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E6EDE0
oklch(93.7% 0.019 130.2)
-
Step 200
200
#D1DEC6
oklch(88.4% 0.035 130.5)
-
Step 300
300
#B3CA9F
oklch(81% 0.064 130.7)
-
Step 400
400
#8AAE6A
oklch(70.7% 0.102 131.3)
-
Step 500
500 (this color)
#669137
oklch(60.6% 0.129 130.9)
-
Step 600
600
#558319
oklch(55.6% 0.141 131)
-
Step 700
700
#456F08
oklch(49.2% 0.131 131.2)
-
Step 800
800
#395A0E
oklch(42.6% 0.108 131)
-
Step 900
900
#314A15
oklch(37.6% 0.084 131)
-
Step 950
950
#1D2C0E
oklch(27.1% 0.054 131.3)
#669137 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) | #97872D | 0.070 |
| Deuteranopia (no green cones) | #91843E | 0.071 |
| Tritanopia (no blue cones) | #688B7E | 0.099 |
| Achromatopsia (no color) | #858585 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669137
#669137
oklch(60.6% 0.129 130.9)
- #9A6ABA
#9A6ABA
oklch(60.6% 0.128 310.7)
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 #669137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Drab #6B8E23 ΔE 0.015
- Moss Green #658B38 ΔE 0.018
- Mossy Green #638B27 ΔE 0.020
- Dark Yellow Green #728F02 ΔE 0.027
- Fern Green #548D44 ΔE 0.028
- Sap Green #5C8B15 ΔE 0.031
- Light Forest Green #4F9153 ΔE 0.035
- Khaki Green #728639 ΔE 0.035
Use #669137 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.