#66937A
Closest named color: Slate Green (#658D6D). oklch(62.3% 0.062 159.6), rgb(102, 147, 122).
Aa
Black text reads best on this color (6.01:1).
About this color
#66937A is a medium-light, muted green. In OKLCH its lightness is 62%, its chroma 0.062 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.022 away. Black text reads best on it, at 6.01:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 6.01:1 |
| White text | 3.48:1 |
Values
| HEX | #66937A |
| RGB | rgb(102, 147, 122) |
| HSL | hsl(147, 18%, 49%) |
| OKLCH | oklch(62.3% 0.062 159.6) |
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 #66937A | 3.48:1 | AA large text | Lc -67.9 | Content text, not long reading |
| Black text on #66937A | 6.01:1 | AA | Lc 41.7 | Non-text elements, placeholder text |
| #66937A text on white | 3.48:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #66937A text on black | 6.01:1 | AA | Lc -39.3 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#D0DDD5
oklch(88.5% 0.018 159.1)
-
Step 300
300
#B1C7BA
oklch(80.9% 0.03 159.8)
-
Step 400
400
#87AA96
oklch(70.6% 0.048 159.8)
-
Step 500
500 (this color)
#66937A
oklch(62.3% 0.062 159.6)
-
Step 600
600
#4F8065
oklch(55.7% 0.068 159)
-
Step 700
700
#3F6C54
oklch(49.1% 0.063 159.6)
-
Step 800
800
#355845
oklch(42.8% 0.052 159.4)
-
Step 900
900
#2E483A
oklch(37.6% 0.04 160.1)
-
Step 950
950
#1B2A22
oklch(26.9% 0.025 160.8)
#66937A 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) | #928C79 | 0.060 |
| Deuteranopia (no green cones) | #8A877B | 0.057 |
| Tritanopia (no blue cones) | #5D938C | 0.027 |
| Achromatopsia (no color) | #898989 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66937A
#66937A
oklch(62.3% 0.062 159.6)
- #A17993
#A17993
oklch(62.4% 0.061 339.9)
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 #66937A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.022
- Green Grey #77926F ΔE 0.023
- Grey Teal #5E9B8A ΔE 0.027
- Dusty Teal #4C9085 ΔE 0.033
- Dull Teal #5F9E8F ΔE 0.036
- Ocean Green #3D9973 ΔE 0.044
- Sea #3C9992 ΔE 0.045
- Greeny Grey #7EA07A ΔE 0.051
Use #66937A 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.