#66907F
Closest named color: Slate Green (#658D6D). oklch(61.7% 0.053 167.6), rgb(102, 144, 127).
Aa
Black text reads best on this color (5.86:1).
About this color
#66907F is a medium-dark, muted green. In OKLCH its lightness is 62%, its chroma 0.053 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.025 away. Black text reads best on it, at 5.86:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.86:1 |
| White text | 3.58:1 |
Values
| HEX | #66907F |
| RGB | rgb(102, 144, 127) |
| HSL | hsl(156, 17%, 48%) |
| OKLCH | oklch(61.7% 0.053 167.6) |
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 #66907F | 3.58:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #66907F | 5.86:1 | AA | Lc 40.7 | Non-text elements, placeholder text |
| #66907F text on white | 3.58:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #66907F text on black | 5.86:1 | AA | Lc -38.3 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D1DCD7
oklch(88.5% 0.014 167.1)
-
Step 300
300
#B1C6BD
oklch(80.8% 0.026 168.1)
-
Step 400
400
#88A99B
oklch(70.6% 0.042 167.5)
-
Step 500
500 (this color)
#66907F
oklch(61.7% 0.053 167.6)
-
Step 600
600
#517E6D
oklch(55.5% 0.056 168.5)
-
Step 700
700
#416B5B
oklch(49.2% 0.054 168)
-
Step 800
800
#36574A
oklch(42.7% 0.045 167.5)
-
Step 900
900
#2F483E
oklch(37.8% 0.035 167.6)
-
Step 950
950
#1C2A24
oklch(27% 0.022 166.4)
#66907F 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) | #8E8A7E | 0.054 |
| Deuteranopia (no green cones) | #878580 | 0.052 |
| Tritanopia (no blue cones) | #5C908B | 0.020 |
| Achromatopsia (no color) | #878787 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66907F
#66907F
oklch(61.7% 0.053 167.6)
- #9E798B
#9E798B
oklch(61.8% 0.052 348)
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 #66907F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.025
- Dusty Teal #4C9085 ΔE 0.027
- Grey Teal #5E9B8A ΔE 0.031
- Green Grey #77926F ΔE 0.031
- Dull Teal #5F9E8F ΔE 0.040
- Sea #3C9992 ΔE 0.043
- Steel Grey #6F828A ΔE 0.051
- Cadet Blue #5F9EA0 ΔE 0.052
Use #66907F 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.