#668E70
Closest named color: Slate Green (#658D6D). oklch(60.8% 0.063 151.9), rgb(102, 142, 112).
Aa
Black text reads best on this color (5.66:1).
About this color
#668E70 is a medium-dark, muted green. In OKLCH its lightness is 61%, its chroma 0.063 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.005 away. Black text reads best on it, at 5.66:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #668E70 |
| RGB | rgb(102, 142, 112) |
| HSL | hsl(135, 16%, 48%) |
| OKLCH | oklch(60.8% 0.063 151.9) |
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 #668E70 | 3.70:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #668E70 | 5.66:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #668E70 text on white | 3.70:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #668E70 text on black | 5.66:1 | AA | Lc -37.1 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6ECE7
oklch(93.7% 0.009 150.7)
-
Step 200
200
#D1DDD4
oklch(88.6% 0.018 153.5)
-
Step 300
300
#B3C7B7
oklch(81% 0.031 151.4)
-
Step 400
400
#8AAA92
oklch(70.7% 0.049 152.6)
-
Step 500
500 (this color)
#668E70
oklch(60.8% 0.063 151.9)
-
Step 600
600
#547F5F
oklch(55.6% 0.069 151.7)
-
Step 700
700
#446B4F
oklch(49% 0.063 152.5)
-
Step 800
800
#385741
oklch(42.6% 0.052 152.9)
-
Step 900
900
#314837
oklch(37.7% 0.041 152.2)
-
Step 950
950
#1D2A20
oklch(26.9% 0.026 151.5)
#668E70 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) | #8E876E | 0.056 |
| Deuteranopia (no green cones) | #888372 | 0.055 |
| Tritanopia (no blue cones) | #608D86 | 0.034 |
| Achromatopsia (no color) | #858585 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668E70
#668E70
oklch(60.8% 0.063 151.9)
- #9A7594
#9A7594
oklch(60.9% 0.064 332)
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 #668E70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.005
- Green Grey #77926F ΔE 0.026
- Dusty Teal #4C9085 ΔE 0.036
- Grey Teal #5E9B8A ΔE 0.043
- Dark Sage #598556 ΔE 0.044
- Ocean Green #3D9973 ΔE 0.046
- Camo #7F8F4E ΔE 0.052
- Dull Teal #5F9E8F ΔE 0.053
Use #668E70 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.