#669A3A
Closest named color: Flat Green (#699D4C). oklch(62.9% 0.139 133.1), rgb(102, 154, 58).
Aa
Black text reads best on this color (6.24:1).
About this color
#669A3A is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.139 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Flat Green (#699D4C), ΔE 0.019 away. Black text reads best on it, at 6.24:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Flat Green (#699D4C) |
| Black text | 6.24:1 |
| White text | 3.36:1 |
Values
| HEX | #669A3A |
| RGB | rgb(102, 154, 58) |
| HSL | hsl(92, 45%, 42%) |
| OKLCH | oklch(62.9% 0.139 133.1) |
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 #669A3A | 3.36:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #669A3A | 6.24:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #669A3A text on white | 3.36:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #669A3A text on black | 6.24:1 | AA | Lc -40.8 | 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
#E5EDE0
oklch(93.6% 0.019 133.1)
-
Step 200
200
#D0DFC6
oklch(88.6% 0.037 132.7)
-
Step 300
300
#B0CB9E
oklch(81% 0.068 133)
-
Step 400
400
#86AF67
oklch(70.7% 0.109 132.7)
-
Step 500
500 (this color)
#669A3A
oklch(62.9% 0.139 133.1)
-
Step 600
600
#4D850F
oklch(55.6% 0.152 133.2)
-
Step 700
700
#3F7000
oklch(49.1% 0.138 133)
-
Step 800
800
#345C07
oklch(42.9% 0.117 133.1)
-
Step 900
900
#2D4B12
oklch(37.6% 0.091 133.2)
-
Step 950
950
#1B2C0D
oklch(27% 0.056 133)
#669A3A 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) | #A08F2F | 0.080 |
| Deuteranopia (no green cones) | #998B41 | 0.081 |
| Tritanopia (no blue cones) | #679486 | 0.104 |
| Achromatopsia (no color) | #8C8C8C | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669A3A
#669A3A
oklch(62.9% 0.139 133.1)
- #A66DC4
#A66DC4
oklch(62.9% 0.139 313.1)
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 #669A3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Green #699D4C ΔE 0.019
- Muted Green #5FA052 ΔE 0.024
- Off Green #6BA353 ΔE 0.033
- Olive Drab #6B8E23 ΔE 0.033
- Dark Yellow Green #728F02 ΔE 0.035
- Mid Green #50A747 ΔE 0.038
- Drab Green #749551 ΔE 0.038
- Moss #769958 ΔE 0.042
Use #669A3A 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.