#668D22
Closest named color: Olive Drab (#6B8E23). oklch(59.3% 0.139 127.9), rgb(102, 141, 34).
Aa
Black text reads best on this color (5.39:1).
About this color
#668D22 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.139 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Drab (#6B8E23), ΔE 0.007 away. Black text reads best on it, at 5.39:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Olive Drab (#6B8E23) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #668D22 |
| RGB | rgb(102, 141, 34) |
| HSL | hsl(82, 61%, 34%) |
| OKLCH | oklch(59.3% 0.139 127.9) |
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 #668D22 | 3.89:1 | AA large text | Lc -71.7 | Content text, not long reading |
| Black text on #668D22 | 5.39:1 | AA | Lc 37.9 | Non-text elements, placeholder text |
| #668D22 text on white | 3.89:1 | AA large text | Lc 66.2 | Content text, not long reading |
| #668D22 text on black | 5.39:1 | AA | Lc -35.5 | 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 600.
-
Step 50
50
#F4F7F1
oklch(97.2% 0.009 128.6)
-
Step 100
100
#E6ECE0
oklch(93.5% 0.017 128.7)
-
Step 200
200
#D2DEC6
oklch(88.5% 0.035 128.9)
-
Step 300
300
#B5C99E
oklch(80.9% 0.063 128)
-
Step 400
400
#8FAD67
oklch(70.8% 0.101 127.7)
-
Step 500
500
#73983B
oklch(63.2% 0.129 128)
-
Step 600
600 (this color)
#668D22
oklch(59.3% 0.139 127.9)
-
Step 700
700
#4B6D00
oklch(49% 0.128 127.9)
-
Step 800
800
#3E5907
oklch(42.7% 0.107 127.6)
-
Step 900
900
#354A12
oklch(37.9% 0.084 127.8)
-
Step 950
950
#1F2B0D
oklch(27% 0.052 127.7)
#668D22 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) | #94830B | 0.067 |
| Deuteranopia (no green cones) | #8F802C | 0.070 |
| Tritanopia (no blue cones) | #6A8679 | 0.112 |
| Achromatopsia (no color) | #818181 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668D22
#668D22
oklch(59.3% 0.139 127.9)
- #9565BD
#9565BD
oklch(59.3% 0.138 307.9)
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 #668D22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Drab #6B8E23 ΔE 0.007
- Mossy Green #638B27 ΔE 0.008
- Sap Green #5C8B15 ΔE 0.016
- Dark Yellow Green #728F02 ΔE 0.019
- Moss Green #658B38 ΔE 0.020
- Swamp Green #748500 ΔE 0.026
- Fern Green #548D44 ΔE 0.032
- Khaki Green #728639 ΔE 0.036
Use #668D22 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.