#668F58
Closest named color: Light Forest Green (#4F9153). oklch(60.5% 0.092 138), rgb(102, 143, 88).
Aa
Black text reads best on this color (5.63:1).
About this color
#668F58 is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.092 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.027 away. Black text reads best on it, at 5.63:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.63:1 |
| White text | 3.72:1 |
Values
| HEX | #668F58 |
| RGB | rgb(102, 143, 88) |
| HSL | hsl(105, 24%, 45%) |
| OKLCH | oklch(60.5% 0.092 138) |
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 #668F58 | 3.72:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #668F58 | 5.63:1 | AA | Lc 39.3 | Non-text elements, placeholder text |
| #668F58 text on white | 3.72:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #668F58 text on black | 5.63:1 | AA | Lc -36.9 | 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
#F3F6F2
oklch(97% 0.006 137.8)
-
Step 100
100
#E6ECE4
oklch(93.6% 0.012 137.8)
-
Step 200
200
#D1DDCD
oklch(88.4% 0.025 137.8)
-
Step 300
300
#B3C8AC
oklch(80.9% 0.045 137.9)
-
Step 400
400
#8BAC80
oklch(70.8% 0.072 138)
-
Step 500
500 (this color)
#668F58
oklch(60.5% 0.092 138)
-
Step 600
600
#558146
oklch(55.6% 0.1 138.1)
-
Step 700
700
#456D37
oklch(49.1% 0.093 138.1)
-
Step 800
800
#39592E
oklch(42.7% 0.077 138.1)
-
Step 900
900
#314929
oklch(37.6% 0.06 138.2)
-
Step 950
950
#1D2B18
oklch(27% 0.039 137.7)
#668F58 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) | #928754 | 0.062 |
| Deuteranopia (no green cones) | #8C835B | 0.062 |
| Tritanopia (no blue cones) | #648B81 | 0.063 |
| Achromatopsia (no color) | #848484 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668F58
#668F58
oklch(60.5% 0.092 138)
- #9970A6
#9970A6
oklch(60.6% 0.092 317.9)
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 #668F58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.027
- Drab Green #749551 ΔE 0.028
- Slate Green #658D6D ΔE 0.031
- Camo #7F8F4E ΔE 0.032
- Fern Green #548D44 ΔE 0.035
- Dark Sage #598556 ΔE 0.035
- Moss Green #658B38 ΔE 0.035
- Khaki Green #728639 ΔE 0.036
Use #668F58 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.