#669F2F
Closest named color: Mid Green (#50A747). oklch(64% 0.154 132.7), rgb(102, 159, 47).
Aa
Black text reads best on this color (6.56:1).
About this color
#669F2F is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.154 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.028 away. Black text reads best on it, at 6.56:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.56:1 |
| White text | 3.19:1 |
Values
| HEX | #669F2F |
| RGB | rgb(102, 159, 47) |
| HSL | hsl(91, 54%, 40%) |
| OKLCH | oklch(64% 0.154 132.7) |
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 #669F2F | 3.19:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #669F2F | 6.56:1 | AA | Lc 45.1 | Large or bold text, headings |
| #669F2F text on white | 3.19:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #669F2F text on black | 6.56:1 | AA | Lc -42.7 | 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
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E4EDDE
oklch(93.5% 0.022 132.5)
-
Step 200
200
#CFE0C3
oklch(88.6% 0.043 132.2)
-
Step 300
300
#AECC99
oklch(81% 0.077 132.7)
-
Step 400
400
#83B15F
oklch(70.8% 0.122 132.7)
-
Step 500
500 (this color)
#669F2F
oklch(64% 0.154 132.7)
-
Step 600
600
#4D8500
oklch(55.6% 0.156 132.7)
-
Step 700
700
#407000
oklch(49.1% 0.138 132.7)
-
Step 800
800
#335C00
oklch(42.8% 0.12 132.9)
-
Step 900
900
#2B4C06
oklch(37.7% 0.101 132.8)
-
Step 950
950
#1A2D08
oklch(27.1% 0.064 132.6)
#669F2F 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) | #A6931E | 0.087 |
| Deuteranopia (no green cones) | #9E8E39 | 0.089 |
| Tritanopia (no blue cones) | #679989 | 0.115 |
| Achromatopsia (no color) | #909090 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669F2F
#669F2F
oklch(64% 0.154 132.7)
- #AC6DCE
#AC6DCE
oklch(64% 0.154 312.7)
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 #669F2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.028
- Flat Green #699D4C ΔE 0.030
- Muted Green #5FA052 ΔE 0.032
- Fern #63A950 ΔE 0.035
- Off Green #6BA353 ΔE 0.035
- Leaf #71AA34 ΔE 0.035
- Grass #5CAC2D ΔE 0.038
- Leaf Green #5CA904 ΔE 0.039
Use #669F2F 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.