#51966B
Closest named color: Ocean Green (#3D9973). oklch(61.6% 0.097 155), rgb(81, 150, 107).
Aa
Black text reads best on this color (5.92:1).
About this color
#51966B is a medium-dark, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.097 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.017 away. Black text reads best on it, at 5.92:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 5.92:1 |
| White text | 3.54:1 |
Values
| HEX | #51966B |
| RGB | rgb(81, 150, 107) |
| HSL | hsl(143, 30%, 45%) |
| OKLCH | oklch(61.6% 0.097 155) |
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 #51966B | 3.54:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #51966B | 5.92:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #51966B text on white | 3.54:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #51966B text on black | 5.92:1 | AA | Lc -38.8 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CCDFD2
oklch(88.6% 0.027 155.9)
-
Step 300
300
#A9CAB3
oklch(80.8% 0.048 154.8)
-
Step 400
400
#7AAF8C
oklch(70.7% 0.076 155.1)
-
Step 500
500 (this color)
#51966B
oklch(61.6% 0.097 155)
-
Step 600
600
#388558
oklch(55.6% 0.104 155.2)
-
Step 700
700
#297148
oklch(49.2% 0.098 155.2)
-
Step 800
800
#245C3B
oklch(42.8% 0.081 154.9)
-
Step 900
900
#234B33
oklch(37.6% 0.062 155.6)
-
Step 950
950
#152C1E
oklch(26.9% 0.039 155.9)
#51966B 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) | #968C68 | 0.088 |
| Deuteranopia (no green cones) | #8B856E | 0.085 |
| Tritanopia (no blue cones) | #41958A | 0.047 |
| Achromatopsia (no color) | #888888 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51966B
#51966B
oklch(61.6% 0.097 155)
- #A96E9C
#A96E9C
oklch(61.6% 0.097 335)
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 #51966B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.017
- Light Forest Green #4F9153 ΔE 0.032
- Slate Green #658D6D ΔE 0.033
- Viridian #1E9167 ΔE 0.040
- Green Grey #77926F ΔE 0.045
- Drab Green #749551 ΔE 0.045
- Moss #769958 ΔE 0.047
- Dusty Teal #4C9085 ΔE 0.047
Use #51966B 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.