#669534
Closest named color: Olive Drab (#6B8E23). oklch(61.5% 0.137 131.4), rgb(102, 149, 52).
Aa
Black text reads best on this color (5.91:1).
About this color
#669534 is a medium-dark, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.137 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 0.020 away. Black text reads best on it, at 5.91:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Olive Drab (#6B8E23) |
| Black text | 5.91:1 |
| White text | 3.55:1 |
Values
| HEX | #669534 |
| RGB | rgb(102, 149, 52) |
| HSL | hsl(89, 48%, 39%) |
| OKLCH | oklch(61.5% 0.137 131.4) |
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 #669534 | 3.55:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #669534 | 5.91:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #669534 text on white | 3.55:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #669534 text on black | 5.91:1 | AA | Lc -38.7 | 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
#E5EDDF
oklch(93.6% 0.02 131.5)
-
Step 200
200
#D0DFC5
oklch(88.5% 0.039 131.9)
-
Step 300
300
#B1CA9D
oklch(80.9% 0.067 131.5)
-
Step 400
400
#88AF66
oklch(70.8% 0.109 131.6)
-
Step 500
500 (this color)
#669534
oklch(61.5% 0.137 131.4)
-
Step 600
600
#52840A
oklch(55.6% 0.149 131.4)
-
Step 700
700
#436F00
oklch(49% 0.135 131.5)
-
Step 800
800
#375B04
oklch(42.7% 0.115 131.4)
-
Step 900
900
#304B11
oklch(37.8% 0.09 131.3)
-
Step 950
950
#1C2C0C
oklch(27% 0.057 131.6)
#669534 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) | #9B8A28 | 0.075 |
| Deuteranopia (no green cones) | #95873C | 0.076 |
| Tritanopia (no blue cones) | #688F81 | 0.104 |
| Achromatopsia (no color) | #888888 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669534
#669534
oklch(61.5% 0.137 131.4)
- #A06AC0
#A06AC0
oklch(61.5% 0.137 311.9)
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 #669534, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Drab #6B8E23 ΔE 0.020
- Dark Yellow Green #728F02 ΔE 0.026
- Flat Green #699D4C ΔE 0.029
- Mossy Green #638B27 ΔE 0.029
- Moss Green #658B38 ΔE 0.031
- Muted Green #5FA052 ΔE 0.036
- Sap Green #5C8B15 ΔE 0.036
- Fern Green #548D44 ΔE 0.038
Use #669534 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.