#669B2E
Closest named color: Flat Green (#699D4C). oklch(63% 0.15 131.9), rgb(102, 155, 46).
Aa
Black text reads best on this color (6.29:1).
About this color
#669B2E is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.150 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Flat Green (#699D4C), ΔE 0.028 away. Black text reads best on it, at 6.29:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Flat Green (#699D4C) |
| Black text | 6.29:1 |
| White text | 3.33:1 |
Values
| HEX | #669B2E |
| RGB | rgb(102, 155, 46) |
| HSL | hsl(89, 54%, 39%) |
| OKLCH | oklch(63% 0.15 131.9) |
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 #669B2E | 3.33:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #669B2E | 6.29:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #669B2E text on white | 3.33:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #669B2E text on black | 6.29:1 | AA | Lc -41.1 | 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
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E5EDDF
oklch(93.6% 0.02 131.5)
-
Step 200
200
#CFDFC4
oklch(88.4% 0.04 132.4)
-
Step 300
300
#AFCB9A
oklch(80.9% 0.073 132.1)
-
Step 400
400
#85B061
oklch(70.7% 0.117 132.1)
-
Step 500
500 (this color)
#669B2E
oklch(63% 0.15 131.9)
-
Step 600
600
#4F8500
oklch(55.7% 0.155 132.1)
-
Step 700
700
#426F00
oklch(49% 0.136 131.8)
-
Step 800
800
#355B00
oklch(42.6% 0.118 131.9)
-
Step 900
900
#2D4C09
oklch(37.8% 0.098 132.1)
-
Step 950
950
#1B2C09
oklch(26.9% 0.061 131.5)
#669B2E 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) | #A28F1D | 0.083 |
| Deuteranopia (no green cones) | #9A8B38 | 0.084 |
| Tritanopia (no blue cones) | #679585 | 0.112 |
| Achromatopsia (no color) | #8D8D8D | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669B2E
#669B2E
oklch(63% 0.15 131.9)
- #A76BCA
#A76BCA
oklch(63% 0.15 311.9)
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 #669B2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Green #699D4C ΔE 0.028
- Muted Green #5FA052 ΔE 0.032
- Dark Yellow Green #728F02 ΔE 0.034
- Mid Green #50A747 ΔE 0.036
- Olive Drab #6B8E23 ΔE 0.036
- Off Green #6BA353 ΔE 0.038
- Fern #63A950 ΔE 0.043
- Grassy Green #419C03 ΔE 0.045
Use #669B2E 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.