#668C53
Closest named color: Light Forest Green (#4F9153). oklch(59.7% 0.093 135.8), rgb(102, 140, 83).
Aa
Black text reads best on this color (5.44:1).
About this color
#668C53 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.093 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.028 away. Black text reads best on it, at 5.44:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.44:1 |
| White text | 3.85:1 |
Values
| HEX | #668C53 |
| RGB | rgb(102, 140, 83) |
| HSL | hsl(100, 26%, 44%) |
| OKLCH | oklch(59.7% 0.093 135.8) |
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 #668C53 | 3.85:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #668C53 | 5.44:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #668C53 text on white | 3.85:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #668C53 text on black | 5.44:1 | AA | Lc -35.7 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D2DDCD
oklch(88.5% 0.025 135.7)
-
Step 300
300
#B4C8AB
oklch(81% 0.045 135.9)
-
Step 400
400
#8DAB7E
oklch(70.7% 0.072 135.4)
-
Step 500
500 (this color)
#668C53
oklch(59.7% 0.093 135.8)
-
Step 600
600
#588143
oklch(55.7% 0.101 135.9)
-
Step 700
700
#486D34
oklch(49.2% 0.095 135.6)
-
Step 800
800
#3B582C
oklch(42.6% 0.077 135.8)
-
Step 900
900
#334928
oklch(37.8% 0.06 135.8)
-
Step 950
950
#1E2B18
oklch(27.1% 0.038 136.2)
#668C53 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) | #90844F | 0.060 |
| Deuteranopia (no green cones) | #8A8056 | 0.060 |
| Tritanopia (no blue cones) | #65887E | 0.066 |
| Achromatopsia (no color) | #828282 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668C53
#668C53
oklch(59.7% 0.093 135.8)
- #956EA5
#956EA5
oklch(59.8% 0.093 315.8)
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 #668C53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.028
- Dark Sage #598556 ΔE 0.028
- Khaki Green #728639 ΔE 0.029
- Moss Green #658B38 ΔE 0.030
- Fern Green #548D44 ΔE 0.031
- Swamp #698339 ΔE 0.033
- Drab Green #749551 ΔE 0.034
- Slate Green #658D6D ΔE 0.034
Use #668C53 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.