#668B54
Closest named color: Dark Sage (#598556). oklch(59.5% 0.09 135.9), rgb(102, 139, 84).
Aa
Black text reads best on this color (5.38:1).
About this color
#668B54 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.090 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.026 away. Black text reads best on it, at 5.38:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.38:1 |
| White text | 3.89:1 |
Values
| HEX | #668B54 |
| RGB | rgb(102, 139, 84) |
| HSL | hsl(100, 25%, 44%) |
| OKLCH | oklch(59.5% 0.09 135.9) |
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 #668B54 | 3.89:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #668B54 | 5.38:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #668B54 text on white | 3.89:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #668B54 text on black | 5.38:1 | AA | Lc -35.3 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE4
oklch(93.6% 0.012 137.8)
-
Step 200
200
#D2DDCD
oklch(88.5% 0.025 135.7)
-
Step 300
300
#B4C8AC
oklch(81% 0.044 136.7)
-
Step 400
400
#8DAB7F
oklch(70.7% 0.071 135.9)
-
Step 500
500 (this color)
#668B54
oklch(59.5% 0.09 135.9)
-
Step 600
600
#588044
oklch(55.5% 0.098 136)
-
Step 700
700
#486C36
oklch(49% 0.091 136)
-
Step 800
800
#3C582D
oklch(42.6% 0.075 135.5)
-
Step 900
900
#334929
oklch(37.8% 0.059 136.4)
-
Step 950
950
#1E2B18
oklch(27.1% 0.038 136.2)
#668B54 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) | #8F8350 | 0.059 |
| Deuteranopia (no green cones) | #898057 | 0.057 |
| Tritanopia (no blue cones) | #65877D | 0.063 |
| Achromatopsia (no color) | #818181 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668B54
#668B54
oklch(59.5% 0.09 135.9)
- #946EA3
#946EA3
oklch(59.6% 0.09 316.2)
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 #668B54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.026
- Khaki Green #728639 ΔE 0.030
- Light Forest Green #4F9153 ΔE 0.030
- Swamp #698339 ΔE 0.032
- Moss Green #658B38 ΔE 0.032
- Slate Green #658D6D ΔE 0.033
- Fern Green #548D44 ΔE 0.033
- Camo #7F8F4E ΔE 0.036
Use #668B54 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.